{"product_id":"lmu3641mb-hrzl-g10au","title":"LMU3641MB-HRZL-G10AU","description":"\u003ch2\u003eCalAmp LMU-3641MB — LTE Cat-M1 Advanced Fleet Telematics Gateway with External Cellular \u0026amp; GNSS Antennas\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCalAmp LMU-3641MB\u003c\/strong\u003e is a robust, highly expandable \u003cstrong\u003eLTE Cat-M1 vehicle telematics gateway\u003c\/strong\u003e designed for advanced fleet management, vehicle diagnostics, commercial fleet tracking, driver monitoring, fleet security, sensor integration, and enterprise telematics applications. It combines \u003cstrong\u003eLTE Cat-M1 connectivity, high-sensitivity GNSS, integrated light- and heavy-duty vehicle diagnostics, Bluetooth Low Energy 5.0, extensive digital and analog I\/O, TTL and RS-232 serial communications, 1-Wire connectivity, programmable PEG™ edge intelligence, and an internal backup battery\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe defining difference between the \u003cstrong\u003eLMU-3641MB and LMU-3640MB\u003c\/strong\u003e is the antenna architecture. The LMU-3641MB uses \u003cstrong\u003eexternal cellular and GPS antennas\u003c\/strong\u003e, while retaining an internal BLE antenna. This makes the LMU-3641MB especially useful when the telematics unit must be installed in a concealed, shielded, or otherwise RF-challenging location where externally positioned antennas can provide greater installation flexibility. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eAdvanced GNSS Vehicle Location\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB incorporates a \u003cstrong\u003e55-channel hybrid GPS\/GLONASS\/SBAS GNSS engine\u003c\/strong\u003e supporting the \u003cstrong\u003eWAAS, EGNOS and MSAS\u003c\/strong\u003e satellite-based augmentation systems. CalAmp specifies approximately \u003cstrong\u003e2.0-meter CEP open-sky location accuracy\u003c\/strong\u003e under its stated 24-hour static SBAS test conditions. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – 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 device is \u003cstrong\u003eAssisted GPS (AGPS) capable\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThese capabilities make the LMU-3641MB suitable for \u003cstrong\u003ereal-time vehicle location, route history, geofencing, dispatch operations, fleet utilization, theft recovery, driver monitoring and event-driven telematics reporting\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eExternal GPS Antenna\u003c\/h3\u003e\n\u003cp\u003eA key feature of the LMU-3641MB is its \u003cstrong\u003eexternal GPS\/GNSS antenna connection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies an external \u003cstrong\u003eSMA GPS antenna interface\u003c\/strong\u003e, allowing the GNSS antenna to be positioned separately from the telematics gateway. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis can be advantageous when the LMU-3641MB itself needs to be installed:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBehind a dashboard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInside an equipment enclosure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBeneath or behind RF-obstructing materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIn a secure or concealed location\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhere the GNSS antenna requires a different mounting position\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe external-antenna architecture gives installers greater control over antenna placement than the internal-antenna LMU-3640MB.\u003c\/p\u003e\n\u003ch3\u003eGlobal LTE Cat-M1 Cellular Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB provides broad \u003cstrong\u003eLTE Cat-M1 cellular connectivity\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies LTE Cat-M1 support 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – 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 fallback connectivity where compatible legacy networks remain available.\u003c\/p\u003e\n\u003cp\u003eSupported data 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExternal Cellular Antenna\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB also uses an \u003cstrong\u003eexternal cellular antenna\u003c\/strong\u003e, with CalAmp specifying an \u003cstrong\u003eSMC cellular antenna interface\u003c\/strong\u003e. The BLE antenna remains internal. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eSeparating the cellular antenna from the gateway can provide significant installation flexibility in applications where the telematics hardware must be mounted away from the most favorable RF location.\u003c\/p\u003e\n\u003cp\u003eThis external cellular and GNSS antenna architecture is the principal physical distinction between the LMU-3641MB and its internal-antenna LMU-3640MB counterpart.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Light-Duty Vehicle Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB incorporates extensive built-in support for \u003cstrong\u003elight-duty vehicle diagnostic and communications protocols\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSupported interfaces include:\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis gives compatible fleet applications access to vehicle operating and diagnostic information without requiring the LMU-3641MB to function solely as a location-reporting device.\u003c\/p\u003e\n\u003cp\u003eThe platform includes a dedicated \u003cstrong\u003e16-pin, 3 mm-pitch vehicle BUS interface\u003c\/strong\u003e in addition to its separate 24-pin power and general-purpose I\/O connector. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eHeavy-Duty J1939 \u0026amp; J1708 Support\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB also supports the \u003cstrong\u003eSAE J1939 and J1708\u003c\/strong\u003e heavy-duty vehicle-data standards. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis expands its usefulness beyond passenger and light-commercial vehicles to compatible \u003cstrong\u003ecommercial trucks, vocational vehicles, buses and other heavy-duty platforms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor organizations operating mixed fleets, support for both light-duty and heavy-duty vehicle protocols can allow a common telematics platform to address a much broader range of vehicle types.\u003c\/p\u003e\n\u003ch3\u003eComprehensive 24-Pin Vehicle I\/O\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB provides extensive general-purpose vehicle connectivity through a \u003cstrong\u003e24-pin, 3 mm-pitch power and I\/O connector\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe interface 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 external ADC 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe four digital inputs are selectable for high- or low-bias operation over \u003cstrong\u003e0–30 VDC\u003c\/strong\u003e, while the three digital outputs use \u003cstrong\u003e150 mA open-collector relay drivers\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis extensive I\/O capability allows appropriately engineered installations to integrate the LMU-3641MB with \u003cstrong\u003evehicle circuits, sensors, switches, relays, alarms and specialized fleet equipment\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDual Serial Interfaces — TTL \u0026amp; RS-232\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB provides two serial communications interfaces:\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSerial communications are particularly useful in specialized telematics applications involving third-party peripherals, legacy fleet equipment and other devices that need to exchange information directly with the telematics gateway.\u003c\/p\u003e\n\u003cp\u003eThe inclusion of both TTL and conventional RS-232 interfaces gives system integrators greater flexibility when incorporating external hardware.\u003c\/p\u003e\n\u003ch3\u003e1-Wire® Driver Identification \u0026amp; Temperature Sensing\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB includes a dedicated \u003cstrong\u003e1-Wire® interface\u003c\/strong\u003e, which CalAmp identifies for applications including:\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDriver identification can allow fleet systems to associate vehicle operation with individual drivers, while temperature sensing can support specialized cargo, service, environmental and equipment-monitoring applications.\u003c\/p\u003e\n\u003ch3\u003eBluetooth Low Energy 5.0\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB is \u003cstrong\u003eBluetooth Low Energy 5.0 capable\u003c\/strong\u003e and uses an internally integrated BLE antenna. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eCalAmp positions the device as part of a \u003cstrong\u003egateway-and-tag ecosystem\u003c\/strong\u003e, allowing purpose-built tags and sensors to be integrated for applications such as monitoring the location of cargo while in transit. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eBLE provides an additional wireless expansion path beyond the gateway's extensive wired I\/O, serial, vehicle-bus and 1-Wire interfaces.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Driver Behavior \u0026amp; Motion Detection\u003c\/h3\u003e\n\u003cp\u003eAn integrated \u003cstrong\u003ethree-axis accelerometer\u003c\/strong\u003e provides onboard motion sensing for:\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCalAmp specifically highlights driver-monitoring applications involving \u003cstrong\u003espeeding, accident detection, extreme braking and cornering\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eWhen motion data is combined with GNSS location and vehicle diagnostics, fleet-management applications can obtain significantly more operational context than GPS location alone can provide.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Programmable Buzzer\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB incorporates a \u003cstrong\u003eprogrammable audible buzzer\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis allows appropriately configured applications to provide audible alerts directly within the vehicle. Such alerts can be incorporated into driver-facing workflows where immediate feedback is useful.\u003c\/p\u003e\n\u003cp\u003eThe programmable buzzer further differentiates the LMU-3641MB from basic passive GPS trackers by providing a local mechanism for interacting with the vehicle operator.\u003c\/p\u003e\n\u003ch3\u003eRemote Safety Lockout \u0026amp; Vehicle Security\u003c\/h3\u003e\n\u003cp\u003eCalAmp identifies \u003cstrong\u003eremote safety lockout\u003c\/strong\u003e as a capability of the LMU-3641MB platform, including support for disabling vehicles or equipment and remotely enabling theft detection and stolen-vehicle recovery. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eWhen incorporated into an appropriately engineered installation, the gateway's programmable outputs can become part of a broader vehicle-security system.\u003c\/p\u003e\n\u003cp\u003eCombined with \u003cstrong\u003eGNSS tracking, ignition monitoring, motion detection, vehicle diagnostics and backup power\u003c\/strong\u003e, the LMU-3641MB can provide a comprehensive foundation for fleet-security applications.\u003c\/p\u003e\n\u003cp\u003eAny immobilization functionality should be professionally designed for the specific vehicle and implemented with appropriate safety and operational controls.\u003c\/p\u003e\n\u003ch3\u003ePEG™ Programmable Edge Intelligence\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB incorporates \u003cstrong\u003eCalAmp PEG™ 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eEdge processing enables supported events and business rules to be evaluated locally rather than requiring every decision to be made by a remote cloud platform.\u003c\/p\u003e\n\u003cp\u003eApplication logic can incorporate information from sources such as \u003cstrong\u003eGNSS position, ignition state, vehicle diagnostics, digital and analog I\/O, accelerometer events, serial peripherals and 1-Wire devices\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis can reduce unnecessary cellular communications while allowing important events to be detected and reported rapidly.\u003c\/p\u003e\n\u003ch3\u003eInternal Backup Battery\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB supports an internal \u003cstrong\u003eLithium-Ion backup battery with capacity up to 1000 mAh\u003c\/strong\u003e. CalAmp describes this battery as providing additional assurance against interference or primary-power loss. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBattery technology: \u003cstrong\u003eLithium-Ion\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCapacity: \u003cstrong\u003eup to 1000 mAh\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCharging temperature: \u003cstrong\u003e0°C to +45°C\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBackup power is especially valuable for vehicle-security and stolen-vehicle-recovery applications because the tracker can retain power for a period after primary vehicle power has been disconnected.\u003c\/p\u003e\n\u003ch3\u003eLow-Power Vehicle Operation\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB provides multiple power-management states designed to reduce its effect on the host vehicle battery.\u003c\/p\u003e\n\u003cp\u003eCalAmp specifies typical consumption of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e600 µA at 12 V\u003c\/strong\u003e — deep sleep\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e15 mA at 12 V\u003c\/strong\u003e — 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 — active tracking with GPS and cellular enabled (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDeep-sleep operation is particularly valuable for 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-3641MB supports 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis broad electrical range allows the gateway to address passenger vehicles as well as many commercial and heavy-duty fleet applications.\u003c\/p\u003e\n\u003ch3\u003eFlexible Installation Options\u003c\/h3\u003e\n\u003cp\u003eCalAmp identifies multiple installation approaches for the LMU-3641MB:\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 an 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis allows fleet operators and system integrators to use the same underlying telematics platform across different installation environments.\u003c\/p\u003e\n\u003cp\u003eThe external antenna design adds another level of flexibility by allowing cellular and GNSS antennas to be positioned independently from the gateway itself.\u003c\/p\u003e\n\u003ch3\u003ePhysical Design\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB measures 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\u003eCalAmp specifies a weight of 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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003ePhysical interfaces include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e16-pin, 3 mm-pitch vehicle BUS connector\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 connector\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal SMC cellular antenna connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal SMA GPS antenna connection\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis configuration reflects the LMU-3641MB's role as a full vehicle-data and telematics gateway rather than a basic location tracker.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Status Indicators\u003c\/h3\u003e\n\u003cp\u003eFour status LEDs provide visual diagnostic information for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGPS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCellular\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVBUS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLAN\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese indicators can assist technicians during installation, commissioning and troubleshooting.\u003c\/p\u003e\n\u003ch3\u003eFleet-Grade Environmental Design\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB is designed for professional vehicle telematics environments.\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 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 while operating from 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 battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e85% RH at 50°C\u003c\/strong\u003e, non-condensing (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShock and vibration performance references \u003cstrong\u003eU.S. Military Standard 202G\u003c\/strong\u003e, while ESD testing is specified to \u003cstrong\u003eIEC 61000-4-2 at 4 kV\u003c\/strong\u003e. Automotive load-dump protection references \u003cstrong\u003eSAE J1455\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eCalAmp iOn Remote Device Management\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB supports \u003cstrong\u003eCalAmp iOn\u003c\/strong\u003e, which CalAmp specifies 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 devices (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis can substantially simplify administration of geographically distributed fleet deployments by reducing the need to physically access individual telematics devices for routine management.\u003c\/p\u003e\n\u003cp\u003eCalAmp notes that these software capabilities require an applicable subscription service. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eCalAmp Telematics Cloud \u0026amp; RESTful API Integration\u003c\/h3\u003e\n\u003cp\u003eThe LMU-3641MB also supports \u003cstrong\u003eCalAmp Telematics Cloud\u003c\/strong\u003e, with CalAmp specifying \u003cstrong\u003edevice-data streaming through RESTful APIs\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis enables LMU-3641MB information to be integrated into proprietary fleet-management platforms, enterprise systems, analytics applications, reporting engines and third-party services.\u003c\/p\u003e\n\u003cp\u003eFor solution providers, this API architecture allows the LMU-3641MB to function as part of a broader custom telematics solution rather than being tied exclusively to a single end-user application.\u003c\/p\u003e\n\u003ch3\u003eRegulatory \u0026amp; Industry Certifications\u003c\/h3\u003e\n\u003cp\u003eCalAmp lists the LMU-3641MB with:\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCarrier and certification requirements should still be confirmed against the exact regional SKU and intended network before deployment.\u003c\/p\u003e\n\u003ch3\u003eKey Technical Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\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\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 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\u003c\/strong\u003e open-sky positioning accuracy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-162 dBm\u003c\/strong\u003e GNSS tracking sensitivity\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 capability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal cellular antenna — SMC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal GPS antenna — SMA\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal BLE antenna\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\u003eIntegrated light-duty vehicle diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eJ1850 PWM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eJ1850 VPW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSW-CAN\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eISO 9141-2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKWP2000\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eISO 15765 CAN\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003eJ1939\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 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\u003eOne TTL serial interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne \u003cstrong\u003eRS-232\u003c\/strong\u003e serial interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne 1-Wire® interface\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\u003eIntegrated \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\u003e\u003cstrong\u003eProgrammable audible buzzer\u003c\/strong\u003e\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 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 \u003cstrong\u003e600 µA at 12 V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e12\/24 VDC vehicle-system compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e9–30 VDC startup\/operating range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e7–32 VDC momentary 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: \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\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-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLMU-3641MB vs. LMU-3640MB\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLMU-3641MB and LMU-3640MB share essentially the same core telematics architecture\u003c\/strong\u003e, including LTE Cat-M1, GPS\/GLONASS\/SBAS, vehicle diagnostics, J1939\/J1708, BLE 5.0, extensive I\/O, serial interfaces, accelerometer, PEG edge intelligence and backup-battery support. The important installation distinction is the antenna configuration: \u003cstrong\u003eLMU-3641MB uses external cellular and GPS antennas, while LMU-3640MB is the internal-antenna version\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eFor your DCS Shopify catalog, that distinction is worth making prominent because customers choosing between these two models are likely doing so primarily based on \u003cstrong\u003eantenna placement and installation requirements\u003c\/strong\u003e, rather than a fundamentally different telematics feature set.\u003c\/p\u003e\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCalAmp LMU-3641MB\u003c\/strong\u003e is particularly well suited for \u003cstrong\u003ecommercial fleet tracking, passenger and commercial vehicles, medium- and heavy-duty fleets, service vehicles, mixed fleets, vehicle diagnostics, driver-behavior monitoring, vehicle security, stolen-vehicle recovery, cargo monitoring, sensor integration, temperature monitoring, driver identification and custom enterprise telematics deployments\u003c\/strong\u003e. CalAmp categorizes the device across passenger\/commercial vehicles, industrial equipment, smart trailers, advanced asset monitoring, and driver\/passenger safety applications. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eIts combination of \u003cstrong\u003eexternal cellular and GNSS antennas, LTE Cat-M1 connectivity, high-sensitivity GNSS, integrated light- and heavy-duty diagnostics, J1939\/J1708, extensive I\/O, TTL and RS-232 serial communications, 1-Wire, BLE 5.0, three-axis motion sensing, programmable buzzer, PEG edge intelligence and up to a 1000 mAh backup battery\u003c\/strong\u003e makes the LMU-3641MB particularly appropriate where a sophisticated vehicle-data gateway is required and \u003cstrong\u003eexternal antenna placement is advantageous or necessary\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/\" title=\"LMU-3641MB LTE CAT M1 – CalAmp\"\u003eCalAmp\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.calamp.com\/device\/lmu-3641mb\/?utm_source=chatgpt.com\"\u003eCalAmp LMU-3641MB — Official Product Specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSKU DESCRIPTION:\u003c\/strong\u003e LMU3641, LTE Cat-M1 WW w\/ 2G FB, 1000MAH BATT, BLE, BUZZER, LOAD DUMP, EXT. ANT, AUSTRALIA\u003c\/p\u003e","brand":"CalAmp","offers":[{"title":"Default Title","offer_id":50434781217018,"sku":"LMU3641MB-HRZL-G10AU","price":230.69,"currency_code":"USD","in_stock":true}],"url":"https:\/\/shop.dcsbusiness.com\/products\/lmu3641mb-hrzl-g10au","provider":"DCS MARKETPLACE","version":"1.0","type":"link"}