{"product_id":"lmu3640mb-hrzlg-g20au","title":"LMU3640MB-HRZLG-G20AU","description":"\u003ch2\u003eCalAmp LMU-3640MB — LTE Cat-M1 Advanced Fleet Telematics Gateway with Integrated Vehicle Diagnostics\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCalAmp LMU-3640MB\u003c\/strong\u003e is a robust, highly expandable \u003cstrong\u003eLTE Cat-M1 vehicle telematics gateway\u003c\/strong\u003e designed for advanced fleet management, commercial vehicle tracking, driver monitoring, vehicle diagnostics, fleet security, sensor integration, and enterprise IoT applications. Unlike simpler GPS trackers, the LMU-3640MB combines \u003cstrong\u003eLTE Cat-M1 connectivity, high-sensitivity GNSS, built-in light- and heavy-duty vehicle-bus support, Bluetooth Low Energy 5.0, extensive digital and analog I\/O, dual serial interfaces, 1-Wire connectivity, programmable PEG™ edge intelligence, and an internal backup battery\u003c\/strong\u003e in a single platform. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eA key advantage of the LMU-3640MB is its \u003cstrong\u003eintegrated vehicle diagnostics capability\u003c\/strong\u003e. The device supports both heavy-duty protocols such as \u003cstrong\u003eSAE J1939 and J1708\u003c\/strong\u003e and light-duty vehicle protocols including \u003cstrong\u003eJ1850 PWM, J1850 VPW, SW-CAN, ISO 9141-2, KWP2000, and ISO 15765 CAN\u003c\/strong\u003e. Combined with extensive I\/O and peripheral interfaces, this allows the LMU-3640MB to function as a comprehensive vehicle-data gateway rather than simply a GPS location device. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eAdvanced GNSS Vehicle Location\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB incorporates a \u003cstrong\u003e55-channel hybrid GPS\/GLONASS\/SBAS GNSS engine\u003c\/strong\u003e supporting \u003cstrong\u003eWAAS, EGNOS, and MSAS\u003c\/strong\u003e satellite-based augmentation systems. CalAmp specifies approximately \u003cstrong\u003e2.0-meter CEP open-sky positioning accuracy\u003c\/strong\u003e under its stated 24-hour static SBAS test conditions. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eGNSS tracking sensitivity is specified at \u003cstrong\u003e-162 dBm\u003c\/strong\u003e, with acquisition sensitivity of \u003cstrong\u003e-156 dBm for hot starts and -148 dBm for cold starts\u003c\/strong\u003e. Position updates are supported at rates of up to \u003cstrong\u003e4 Hz\u003c\/strong\u003e, and the platform supports \u003cstrong\u003eAssisted GPS (AGPS)\u003c\/strong\u003e location assistance. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThese capabilities make the LMU-3640MB suitable for applications involving \u003cstrong\u003ereal-time fleet visibility, vehicle history, route monitoring, geofencing, fleet utilization, theft recovery, dispatch operations, and event-driven telematics reporting\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eGlobal LTE Cat-M1 Cellular Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB provides broad \u003cstrong\u003eLTE Cat-M1 cellular connectivity\u003c\/strong\u003e for professional fleet and IoT deployments.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies LTE Cat-M1 operation across:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eB1 \/ B2 \/ B3 \/ B4 \/ B5 \/ B8 \/ B12 \/ B13 \/ B18 \/ B19 \/ B20 \/ B25 \/ B26 \/ B28 \/ B39\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe global variant also supports \u003cstrong\u003eGSM\/GPRS 850\/900\/1800\/1900 MHz\u003c\/strong\u003e, providing additional connectivity options in regions where compatible legacy service remains available. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eSupported communications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSMS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUDP packet data\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTCP\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe cellular antenna is integrated internally, helping simplify installation and eliminate the need for an external cellular antenna assembly.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Light-Duty Vehicle Diagnostics\u003c\/h3\u003e\n\u003cp\u003eOne of the defining capabilities of the LMU-3640MB is its built-in support for multiple \u003cstrong\u003elight-duty vehicle data protocols\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies support for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eJ1850 PWM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eJ1850 VPW\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSW-CAN\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 9141-2\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eKWP2000\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 15765 CAN\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis integrated vehicle-bus capability gives compatible telematics applications access to vehicle diagnostic and operational information without requiring the LMU-3640MB to function solely as a location tracker.\u003c\/p\u003e\n\u003cp\u003eThe device uses a dedicated \u003cstrong\u003e16-pin, 3 mm-pitch vehicle BUS interface\u003c\/strong\u003e, separate from its 24-pin power and general-purpose I\/O connector. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eHeavy-Duty J1939 \u0026amp; J1708 Vehicle Support\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB is not limited to passenger and light-commercial vehicles. CalAmp also specifies support for the \u003cstrong\u003eSAE J1939 and J1708 heavy-duty vehicle data standards\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis significantly expands the potential application range of the device and makes it appropriate for fleets containing a mixture of vehicle types.\u003c\/p\u003e\n\u003cp\u003eJ1939 and J1708 support can be particularly useful for compatible \u003cstrong\u003ecommercial trucks, vocational vehicles, buses, and other heavy-duty fleet platforms\u003c\/strong\u003e, while the light-duty protocols provide integration options for passenger vehicles, vans, pickups, and other fleet assets.\u003c\/p\u003e\n\u003cp\u003eThe ability to support both categories from the same telematics platform can simplify hardware standardization for organizations managing diverse fleets.\u003c\/p\u003e\n\u003ch3\u003eComprehensive 24-Pin Vehicle I\/O\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB provides extensive general-purpose vehicle I\/O through a dedicated \u003cstrong\u003e24-pin, 3 mm-pitch connector\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe device provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1 fixed-bias ignition input\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e4 configurable digital inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3 digital outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2 analog inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2 serial interfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1 1-Wire® interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1 switched VIN output\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2 switched 3.3 V outputs\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe four digital inputs support selectable high- or low-bias operation over \u003cstrong\u003e0–30 VDC\u003c\/strong\u003e, while the three digital outputs use an \u003cstrong\u003eopen-collector architecture rated at 150 mA\u003c\/strong\u003e. Two external ADC inputs provide analog signal monitoring. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis extensive I\/O architecture allows appropriately engineered installations to integrate the LMU-3640MB with \u003cstrong\u003eignition circuits, switches, relays, sensors, alarms, driver-identification hardware, temperature sensors, and other vehicle equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDual Serial Interfaces — TTL \u0026amp; RS-232\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB provides \u003cstrong\u003etwo serial interfaces\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1 TTL serial interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1 RS-232 serial interface\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is an important advantage for specialized fleet and telematics installations because serial connectivity allows compatible third-party equipment and peripherals to communicate directly with the telematics gateway.\u003c\/p\u003e\n\u003cp\u003eThe inclusion of a true \u003cstrong\u003eRS-232 interface\u003c\/strong\u003e also makes the LMU-3640MB particularly useful for applications involving legacy or specialized fleet hardware that already communicates using conventional serial protocols.\u003c\/p\u003e\n\u003ch3\u003e1-Wire® Driver Identification \u0026amp; Temperature Sensing\u003c\/h3\u003e\n\u003cp\u003eA dedicated \u003cstrong\u003e1-Wire® interface\u003c\/strong\u003e provides another method of connecting compatible peripherals.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifically identifies the interface for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDriver identification\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature sensing\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDriver identification can allow fleet-management systems to associate vehicle activity with individual operators, while temperature sensing can support specialized applications involving cargo, service vehicles, or other temperature-sensitive fleet operations.\u003c\/p\u003e\n\u003ch3\u003eBluetooth Low Energy 5.0\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB is \u003cstrong\u003eBluetooth Low Energy 5.0 capable\u003c\/strong\u003e and incorporates an internal BLE antenna. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eCalAmp positions the platform within a \u003cstrong\u003egateway-and-tag ecosystem\u003c\/strong\u003e, allowing purpose-built tags and sensors to be integrated for applications such as monitoring cargo location while in transit. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eBLE therefore provides an additional wireless expansion path beyond the LMU-3640MB's wired digital, analog, serial, vehicle-bus, and 1-Wire interfaces.\u003c\/p\u003e\n\u003cp\u003eFor suitable applications, the vehicle-mounted LMU-3640MB can function as the cellular gateway between nearby BLE-enabled devices and remote telematics infrastructure.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Driver Behavior \u0026amp; Motion Detection\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB incorporates a built-in \u003cstrong\u003ethree-axis accelerometer\u003c\/strong\u003e supporting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDriver-behavior monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImpact detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMotion sensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTilt detection (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCalAmp highlights driver-monitoring applications including \u003cstrong\u003espeeding, accident detection, extreme braking, and cornering\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eWhen accelerometer information is combined with GNSS position, vehicle-bus data, and programmable edge intelligence, fleet applications can associate significant vehicle events with location and operating information.\u003c\/p\u003e\n\u003ch3\u003eRemote Safety Lockout \u0026amp; Vehicle Security\u003c\/h3\u003e\n\u003cp\u003eCalAmp specifically identifies \u003cstrong\u003eremote safety lockout\u003c\/strong\u003e as an LMU-3640MB application, including the ability to disable vehicles or equipment and remotely support \u003cstrong\u003etheft detection and stolen-vehicle recovery\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe LMU-3640MB's digital outputs can therefore be incorporated into an appropriately engineered vehicle-control or security architecture.\u003c\/p\u003e\n\u003cp\u003eCombined with GNSS tracking, ignition monitoring, motion detection, vehicle-bus information, and internal backup power, this capability can provide an additional layer of functionality for fleet-security applications.\u003c\/p\u003e\n\u003cp\u003eAny remote immobilization implementation should be professionally engineered for the specific vehicle and deployed with appropriate operational and safety controls.\u003c\/p\u003e\n\u003ch3\u003ePEG™ Programmable Edge Intelligence\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB incorporates CalAmp's \u003cstrong\u003ePEG™ edge intelligence\u003c\/strong\u003e, allowing device functionality to be updated and new edge applications to be developed. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eRather than requiring every decision to be processed by a remote server, edge intelligence allows supported conditions and events to be evaluated directly by the telematics gateway.\u003c\/p\u003e\n\u003cp\u003eApplication logic can potentially incorporate information from the device's \u003cstrong\u003eGNSS receiver, ignition state, vehicle bus, digital inputs, analog inputs, accelerometer, serial interfaces, and connected peripherals\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis approach can improve event response while reducing unnecessary cellular communications by allowing the gateway to transmit information according to defined operating conditions and business rules.\u003c\/p\u003e\n\u003ch3\u003eInternal Backup Battery\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB supports an internal \u003cstrong\u003eLithium-Ion backup battery with capacity up to 1000 mAh\u003c\/strong\u003e. CalAmp highlights the battery as providing additional assurance against interference or loss of primary vehicle power. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe battery's specified charging-temperature range is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e0°C to +45°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies device operation from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-30°C to +60°C\u003c\/strong\u003e when connected to primary power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-10°C to +60°C\u003c\/strong\u003e when operating on the internal battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-20°C to +25°C for up to six months\u003c\/strong\u003e for long-term storage with the battery (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe backup battery is particularly useful for fleet-security applications where continued device operation following disconnection of primary vehicle power can provide additional visibility.\u003c\/p\u003e\n\u003ch3\u003eLow-Power Vehicle Operation\u003c\/h3\u003e\n\u003cp\u003eDespite its extensive cellular, GNSS, vehicle-bus, Bluetooth, I\/O, and processing capabilities, the LMU-3640MB provides power-management modes intended to minimize impact on the vehicle battery.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies typical power consumption of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e600 µA at 12 V\u003c\/strong\u003e in deep sleep\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e15 mA at 12 V\u003c\/strong\u003e during radio-active sleep\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e90 mA at 12 V\u003c\/strong\u003e during active tracking with GPS and cellular enabled (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDeep-sleep functionality is particularly important for commercial fleet vehicles that may remain parked for extended periods.\u003c\/p\u003e\n\u003ch3\u003e12\/24-Volt Vehicle Electrical Architecture\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB is designed for both \u003cstrong\u003e12 V and 24 VDC vehicle electrical systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e9–30 VDC\u003c\/strong\u003e during startup and normal operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e7–32 VDC\u003c\/strong\u003e for momentary operation (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis broad electrical range allows the same telematics platform to address many passenger, light-commercial, medium-duty, and heavy-duty fleet applications.\u003c\/p\u003e\n\u003ch3\u003eFlexible Installation Options\u003c\/h3\u003e\n\u003cp\u003eCalAmp offers multiple installation approaches for the LMU-3640MB, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardwired installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOBD-II installation with optional adapter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCigarette-lighter power harness\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis gives fleet operators and telematics integrators flexibility when standardizing the device across different vehicle classes and deployment requirements.\u003c\/p\u003e\n\u003ch3\u003eInternal Cellular, GNSS \u0026amp; BLE Antennas\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB incorporates \u003cstrong\u003einternal cellular, GNSS, and BLE antennas\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eInternal antennas simplify installation by eliminating the need to route separate antenna cables throughout the vehicle. This can reduce installation time and make the device easier to conceal in fleet applications.\u003c\/p\u003e\n\u003cp\u003eThe internal-antenna architecture is also the primary physical distinction between the \u003cstrong\u003eLMU-3640MB\u003c\/strong\u003e and the related \u003cstrong\u003eLMU-3641MB\u003c\/strong\u003e, which CalAmp identifies as its external-antenna variant. (\u003ca href=\"https:\/\/www.calamp.com\/resource-type\/edge-device-spec-sheets\/?utm_source=chatgpt.com\" title=\"Edge Device Spec Sheets Archives – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eFour Integrated Status Indicators\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB provides \u003cstrong\u003efour status LEDs\u003c\/strong\u003e for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGPS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCellular\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVBUS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLAN (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese indicators provide installers and technicians with immediate diagnostic information during installation, commissioning, and troubleshooting.\u003c\/p\u003e\n\u003ch3\u003ePhysical Design\u003c\/h3\u003e\n\u003cp\u003eThe current CalAmp product page specifies dimensions of approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5.7 × 2.1 × 1.3 inches\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e145 × 53 × 33 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWeight is approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5 oz \/ 142 g with the 1000 mAh battery\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe device provides separate interfaces for vehicle diagnostics and general-purpose connectivity:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e16-pin, 3 mm-pitch vehicle BUS interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e24-pin, 3 mm-pitch power\/I\/O interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternal 2FF SIM\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis dual-connector architecture reflects the LMU-3640MB's role as a sophisticated vehicle telematics gateway rather than a simple three-wire GPS tracker.\u003c\/p\u003e\n\u003ch3\u003eFleet-Grade Environmental Design\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB is designed for professional in-vehicle telematics applications.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-30°C to +60°C\u003c\/strong\u003e operation on primary power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-10°C to +60°C\u003c\/strong\u003e operation on internal battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e85% relative humidity at 50°C\u003c\/strong\u003e, non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShock and vibration referenced to \u003cstrong\u003eU.S. Military Standard 202G\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eESD performance to \u003cstrong\u003eIEC 61000-4-2 at 4 kV\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoad-dump protection referenced to \u003cstrong\u003eSAE J1455\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese specifications support deployment in commercial fleet environments where vibration, temperature variation, and automotive electrical transients are routine operating considerations.\u003c\/p\u003e\n\u003ch3\u003eCalAmp iOn Remote Device Management\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB supports \u003cstrong\u003eCalAmp iOn\u003c\/strong\u003e, which CalAmp identifies for remotely:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMonitoring devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManaging devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUpgrading firmware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfiguring devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTroubleshooting deployed hardware (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRemote device management can be especially valuable for large commercial fleets because routine configuration and firmware tasks can be performed without physically accessing every installed telematics unit.\u003c\/p\u003e\n\u003cp\u003eCalAmp notes that applicable cloud and software services require a subscription.\u003c\/p\u003e\n\u003ch3\u003eCalAmp Telematics Cloud \u0026amp; RESTful API Integration\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3640MB also supports \u003cstrong\u003eCalAmp Telematics Cloud\u003c\/strong\u003e, with device-data streaming available through \u003cstrong\u003eRESTful APIs\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis provides a path for integrating LMU-3640MB telematics information into proprietary fleet-management platforms, reporting systems, enterprise applications, and third-party services.\u003c\/p\u003e\n\u003cp\u003eFor solution providers, the REST API architecture makes the LMU-3640MB particularly useful where CalAmp hardware needs to become part of a broader custom telematics ecosystem.\u003c\/p\u003e\n\u003ch3\u003eRegulatory \u0026amp; Industry Certifications\u003c\/h3\u003e\n\u003cp\u003eCalAmp lists the LMU-3640MB with the following industry certifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFCC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePTCRB\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRoHS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth SIG\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRCM\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCertification and network compatibility should still be confirmed against the exact regional SKU and carrier requirements for a specific deployment.\u003c\/p\u003e\n\u003ch3\u003eKey Technical Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGlobal \u003cstrong\u003eLTE Cat-M1\u003c\/strong\u003e cellular connectivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLTE bands B1\/B2\/B3\/B4\/B5\/B8\/B12\/B13\/B18\/B19\/B20\/B25\/B26\/B28\/B39\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGSM\/GPRS 850\/900\/1800\/1900 MHz support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSMS, UDP packet data, and TCP communications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e55-channel hybrid \u003cstrong\u003eGPS\/GLONASS\/SBAS\u003c\/strong\u003e GNSS receiver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWAAS, EGNOS, and MSAS augmentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApproximately \u003cstrong\u003e2.0 m CEP open-sky positioning accuracy\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-162 dBm GNSS tracking sensitivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-156 dBm hot-start acquisition sensitivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e-148 dBm cold-start acquisition sensitivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to \u003cstrong\u003e4 Hz\u003c\/strong\u003e location updates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAssisted GPS support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal cellular, GNSS, and BLE antennas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBluetooth Low Energy 5.0\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in light-duty vehicle diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eJ1850 PWM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eJ1850 VPW\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSW-CAN\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 9141-2\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eKWP2000\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISO 15765 CAN\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003eSAE J1939\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003eJ1708\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne fixed-bias ignition input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour configurable 0–30 VDC digital inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThree 150 mA open-collector digital outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwo external ADC analog inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOne TTL serial interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOne RS-232 serial interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne 1-Wire® interface for driver ID\/temperature sensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne switched VIN output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo switched 3.3 V outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in \u003cstrong\u003ethree-axis accelerometer\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDriver-behavior monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImpact detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMotion sensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTilt detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated vehicle diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote safety-lockout support for appropriately engineered installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePEG™ programmable edge intelligence\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal Lithium-Ion backup battery up to \u003cstrong\u003e1000 mAh\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTypical deep-sleep consumption of approximately 600 µA at 12 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e12\/24 VDC vehicle compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e9–30 VDC startup and normal operating range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e7–32 VDC momentary operating range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e16-pin vehicle-bus interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e24-pin power\/I\/O interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal 2FF SIM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour GPS\/cellular\/VBUS\/LAN status LEDs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: \u003cstrong\u003e145 × 53 × 33 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: approximately \u003cstrong\u003e142 g \/ 5 oz with 1000 mAh battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrimary-power operating temperature: \u003cstrong\u003e-30°C to +60°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCalAmp iOn remote management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCalAmp Telematics Cloud integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRESTful API device-data streaming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFCC, IC, CE, PTCRB, RoHS, BT SIG, and RCM certifications (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCalAmp LMU-3640MB\u003c\/strong\u003e is particularly well suited for \u003cstrong\u003ecommercial fleet tracking, passenger and light-commercial vehicles, medium- and heavy-duty fleets, service and delivery vehicles, mixed fleets, driver-behavior monitoring, vehicle diagnostics, fleet utilization, vehicle security, stolen-vehicle recovery, sensor integration, cargo monitoring, temperature monitoring, driver identification, and enterprise telematics deployments\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts combination of \u003cstrong\u003eLTE Cat-M1 connectivity, high-sensitivity GNSS, integrated light- and heavy-duty vehicle diagnostics, J1939\/J1708 support, extensive 24-pin I\/O, dual analog inputs, TTL and RS-232 serial connectivity, 1-Wire, BLE 5.0, three-axis motion sensing, PEG edge intelligence, and up to a 1000 mAh internal backup battery\u003c\/strong\u003e makes the LMU-3640MB particularly appropriate for applications requiring a true \u003cstrong\u003evehicle-data and telematics gateway\u003c\/strong\u003e rather than a basic GPS tracker. CalAmp describes the platform as a robust telematics gateway built for dynamic flexibility. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\" title=\"LMU-3640MB LTE CAT M1 Internal Antenna – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3640mb\/?utm_source=chatgpt.com\"\u003eCalAmp LMU-3640MB — Official Product Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.calamp.com\/wp-content\/uploads\/2020\/09\/LMU-3640MB-LTE-CAT-M1-Internal-Antenna_Final.pdf?utm_source=chatgpt.com\"\u003eOfficial CalAmp LMU-3640MB Specification Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSKU UDESCRIPTION: \u003c\/strong\u003eLMU3640, LTE. E-GPS, CAT M-1WW W\/ 2G FB, BLE, 1000 MAH BATT, RS232, BUZZER, LOAD DUMP, INT ANT, DM-CTC\u003c\/p\u003e","brand":"CalAmp","offers":[{"title":"Default Title","offer_id":50434780299514,"sku":"LMU3640MB-HRZLG-G20AU","price":222.91,"currency_code":"USD","in_stock":true}],"url":"https:\/\/shop.dcsbusiness.com\/products\/lmu3640mb-hrzlg-g20au","provider":"DCS MARKETPLACE","version":"1.0","type":"link"}