Description
CalAmp ATU-1650MB — Compact Multi-Purpose LTE Cat-M1 Asset Tracker with Up to 7-Year Battery Life
The CalAmp ATU-1650MB is a compact, rugged and weatherproof LTE Cat-M1 GPS asset tracker engineered for long-term asset protection, vehicle recovery and remote asset monitoring. Its small, discreet enclosure combines LTE Cat-M1 connectivity, multi-constellation GNSS, Bluetooth Low Energy 5.2, a 4,400 mAh LiMnO₂ primary battery, programmable PEG2™ edge intelligence, onboard geofencing, 20,000-message buffering, and IP66/IP67 environmental protection. (CalAmp)
Unlike externally powered vehicle telematics gateways, the ATU-1650MB is designed around long-duration battery operation. CalAmp specifies battery life of up to 7 years at one report per day, making it particularly attractive for assets where permanent vehicle power is unavailable, difficult to access, or undesirable. It can operate as a standalone tracker or in a dual-device configuration, allowing it to supplement an existing asset-protection or vehicle-recovery system. (CalAmp)
LTE Cat-M1 Multi-Region Connectivity
The ATU-1650MB incorporates LTE Cat-M1 cellular connectivity optimized for IoT applications requiring wide-area communications with efficient battery usage.
CalAmp specifies the following LTE Cat-M1 bands:
B1 / B2 / B3 / B4 / B5 / B8 / B12 / B13 / B18 / B19 / B20 / B25 / B26 / B27 / B28 / B66 / B85. (CalAmp)
CalAmp notes that Band 12 is a superset of Band 17, Band 25 is a superset of Band 2, and Band 66 is a superset of Band 4. This extensive band support is the basis for CalAmp's positioning of the ATU-1650MB as a multi-region connectivity platform. (CalAmp)
2G Cellular Support
In addition to LTE Cat-M1, CalAmp specifies 2G connectivity across 850/900/1800/1900 MHz. (CalAmp)
This provides an additional communications option in markets where compatible 2G service remains available. Network availability and carrier support should be confirmed for the specific country and deployment.
Internal Nano-SIM
The ATU-1650MB uses an internal 4FF Nano-SIM. (CalAmp)
This internal SIM architecture complements the sealed enclosure and is appropriate for long-duration deployments where the tracker is expected to remain installed and protected from environmental exposure.
Four-Constellation GNSS
The ATU-1650MB provides multi-constellation satellite positioning using:
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GPS
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GLONASS
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BeiDou
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Galileo (CalAmp)
Using multiple GNSS constellations gives the tracker access to a broad satellite environment for determining asset location.
CalAmp specifies positioning accuracy of:
<2.5 m CEP
under its specified operating conditions. (CalAmp)
High-Sensitivity GNSS Receiver
CalAmp specifies GNSS performance of:
-
-161 dBm tracking sensitivity
-
-145 dBm cold-start acquisition sensitivity
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<2.5 m CEP location accuracy
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AGPS location assistance enabled (CalAmp)
AGPS can assist the device in acquiring location information as part of its overall tracking architecture.
These positioning capabilities provide the foundation for applications including asset location, movement monitoring, recovery operations, geofencing and long-term equipment visibility.
4,400 mAh LiMnO₂ Battery
A defining feature of the ATU-1650MB is its high-capacity internal battery.
CalAmp specifies:
Battery capacity: 4,400 mAh
Battery chemistry: LiMnO₂ — Lithium Manganese Dioxide (CalAmp)
This is particularly important when positioning the product in your DCS catalog: the ATU-1650MB is fundamentally a long-life battery-powered tracker, rather than a rechargeable vehicle telematics gateway.
Up to 7 Years of Battery Life
CalAmp publishes several useful battery-life benchmarks for the ATU-1650MB:
| Reporting Profile | CalAmp-Specified Battery Life |
|---|---|
| 1 report per day | Up to 7 years |
| 4 reports per day | Up to 1.5 years |
| 1 report every 5 minutes | Up to 10 days |
(CalAmp)
These figures illustrate the tradeoff between reporting frequency and operating life. A tracker reporting once per day can remain deployed dramatically longer than one operating at near-real-time reporting intervals.
CalAmp specifically cautions that actual battery life varies according to environmental conditions, installation orientation, update frequency, network availability, advanced configurations and optional BLE-enabled features. (CalAmp)
For your Shopify listing, I would retain that qualification rather than presenting seven years as an unconditional battery-life guarantee.
Standalone Operation
The ATU-1650MB can operate as a standalone tracking device. (CalAmp)
This makes it suitable for assets where no existing telematics hardware is installed. Its integrated cellular modem, GNSS receiver, battery and antennas allow it to provide an independent asset-tracking solution without requiring a second telematics gateway.
Dual-Device Operation
CalAmp also specifically highlights dual-device operation. (CalAmp)
This enables the ATU-1650MB to supplement an existing asset-protection system rather than necessarily replacing it.
For vehicle-recovery applications, this can be particularly useful when a compact secondary tracker is desired as an additional layer of asset visibility.
Bluetooth Low Energy 5.2
The ATU-1650MB incorporates Bluetooth Low Energy 5.2. (CalAmp)
BLE gives the platform a short-range wireless interface for supported Bluetooth-enabled functionality and peripherals.
Because BLE activity can affect power consumption, CalAmp specifically includes optional BLE-enabled features among the factors that can influence real-world battery life. (CalAmp)
Internal Cellular, GNSS & BLE Antennas
All three primary wireless antennas are integrated into the ATU-1650MB enclosure:
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Internal cellular antenna
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Internal GPS/GNSS antenna
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Internal BLE antenna (CalAmp)
This fully integrated antenna architecture helps simplify installation because there are no external antenna cables or antenna assemblies to mount separately.
It also complements the unit's compact, sealed construction.
ThreadX Real-Time Operating System
The ATU-1650MB uses ThreadX RTOS as its operating system. (CalAmp)
This embedded real-time architecture supports the device's location, cellular, BLE, power-management and event-processing functions while maintaining the efficient operation required from a long-duration battery-powered tracker.
EdgeCore Firmware
CalAmp specifies EdgeCore as the firmware platform used by the ATU-1650MB. (CalAmp)
EdgeCore provides the underlying firmware architecture for the device's tracking and edge-processing functionality.
Combined with ThreadX and PEG2, this gives the ATU-1650MB considerably more local intelligence than a simple periodic GPS beacon.
PEG2™ Programmable Device Logic
The ATU-1650MB incorporates PEG2™ programmable device-behavior logic for intelligent event processing. (CalAmp)
PEG2 enables supported operating conditions to be evaluated locally by the tracker, allowing device behavior to be tailored around the requirements of the deployment.
This is particularly important in battery-powered tracking because intelligent local processing can help balance asset visibility against power consumption.
Rather than transmitting continuously, a deployment can be configured around an appropriate reporting strategy for the asset and application.
Onboard Geofencing
The ATU-1650MB supports locally stored geofence data for real-time geospatial processing. (CalAmp)
On-device geofence processing allows geographic conditions to be evaluated locally rather than requiring every location point to first be sent to a remote server for analysis.
This capability can support applications involving:
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Asset arrival and departure
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Yard monitoring
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Authorized operating areas
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Unauthorized movement
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Customer-site activity
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Recovery workflows
The current product page confirms onboard geofencing but does not specify a numeric geofence capacity, so I would not publish a zone count for this model without a separate CalAmp specification confirming it.
20,000 Buffered Messages
The ATU-1650MB can buffer up to 20,000 messages onboard. (CalAmp)
Message buffering is valuable when an asset temporarily travels outside usable cellular coverage. Rather than requiring continuous connectivity for every event, information can be retained locally for subsequent transmission according to the device's configuration.
This is particularly useful for mobile assets that move between strong and weak network-coverage areas.
Internal USB Configuration & Debug Interface
CalAmp specifies an internal USB port for debugging and configuration. (CalAmp)
Because the USB interface is internal, it should be considered a configuration/service interface rather than a conventional externally accessible user USB port.
CalAmp Device Management
The ATU-1650MB supports CalAmp Device Management, allowing organizations to manage deployed tracking hardware at scale.
CalAmp identifies Device Management capabilities for:
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Managing devices
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Configuring devices
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Deploying OTA software updates to connected assets (CalAmp)
Remote management becomes particularly important with battery-powered trackers because devices may be installed discreetly and distributed across large geographic areas.
Reducing the need for physical access can significantly simplify fleet-scale administration.
CalAmp Telematics Cloud
The ATU-1650MB also supports CalAmp Telematics Cloud.
CalAmp describes the service as enabling telematics data to be streamed into proprietary systems through flexible API integration. (CalAmp)
This makes the ATU-1650MB suitable for organizations that want to incorporate device information into their own asset-management, vehicle-recovery, fleet-management, reporting or enterprise applications rather than using the hardware as an isolated tracking solution.
IP66 & IP67 Environmental Protection
The ATU-1650MB carries both IP66 and IP67 ingress-protection ratings. (CalAmp)
This rugged environmental protection is one of the product's most important characteristics for asset-tracking applications because the unit may need to be installed in locations exposed to dust, moisture and weather.
Its sealed design, internal battery and internal antennas make the ATU-1650MB particularly well suited to discreet outdoor or semi-exposed installations.
Wide Operating Temperature Range
CalAmp specifies an operating-temperature range of:
-25°C to +68°C
-13°F to +154°F (CalAmp)
The environmental specification also lists:
65% RH from +25°C to +60°C. (CalAmp)
The broad operating range supports deployment across a variety of automotive, industrial and asset-monitoring environments.
Automotive-Grade Shock & Vibration
The ATU-1650MB is tested for shock and vibration according to:
SAE J1455. (CalAmp)
SAE J1455 is widely associated with environmental practices for electronic equipment used in heavy-duty vehicle applications.
This supports the ATU-1650MB's positioning as a rugged professional asset tracker rather than a consumer GPS locator.
Electrostatic Discharge Protection
CalAmp specifies ESD performance to:
IEC 61000-4-2 — 4 kV. (CalAmp)
This provides another indication that the device has been engineered for professional automotive and industrial deployment environments.
Extremely Compact Form Factor
One of the strongest physical advantages of the ATU-1650MB is its small enclosure.
CalAmp specifies dimensions of:
2.5 × 2.0 × 1.1 inches
63.5 × 50.8 × 27.9 mm. (CalAmp)
The compact footprint gives installers substantial flexibility when selecting a mounting location, particularly when discreet placement is desirable.
Lightweight Design
The ATU-1650MB weighs only:
3.7 oz / 106 g. (CalAmp)
For your DCS Shopify product record, I would therefore use:
Product Weight: 0.231 lb (3.7 oz / 106 g)
before adding packaging or accessories.
Optional Installation Bracket
CalAmp offers an installation bracket, sold separately, for the ATU-1650MB. (CalAmp)
This gives installers an additional mounting option depending on the asset and deployment environment.
Regulatory & Industry Certifications
CalAmp currently lists the ATU-1650MB with:
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FCC
-
PTCRB
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CE
-
CE Cybersecurity
-
ISED
-
RoHS 3
-
E-Mark
-
Applicable carrier certifications (CalAmp)
Exact carrier and regional compatibility should still be confirmed for the specific SKU and deployment market.
Key Technical Features
-
Compact, battery-powered LTE Cat-M1 GPS asset tracker
-
Multi-region LTE Cat-M1 connectivity
-
LTE bands B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85
-
2G 850/900/1800/1900 MHz support
-
Internal 4FF Nano-SIM
-
Four-constellation GPS / GLONASS / BeiDou / Galileo GNSS
-
<2.5 m CEP location accuracy
-
-161 dBm GNSS tracking sensitivity
-
-145 dBm cold-start acquisition sensitivity
-
AGPS location assistance
-
Bluetooth Low Energy 5.2
-
Internal cellular, GNSS and BLE antennas
-
4,400 mAh LiMnO₂ battery
-
Up to 7 years battery life at one report per day
-
Up to 1.5 years at four reports per day
-
Up to 10 days at one report every five minutes
-
Standalone or dual-device operating modes
-
ThreadX RTOS
-
EdgeCore firmware
-
PEG2™ programmable device behavior
-
Onboard geofence processing
-
20,000 buffered messages
-
Internal USB configuration/debug interface
-
CalAmp Device Management
-
OTA software updates
-
CalAmp Telematics Cloud
-
API integration into proprietary systems
-
IP66 and IP67 ingress protection
-
SAE J1455 shock and vibration
-
IEC 61000-4-2 4 kV ESD
-
Operating temperature: -25°C to +68°C
-
Dimensions: 63.5 × 50.8 × 27.9 mm
-
Weight: 106 g / 3.7 oz / 0.231 lb
-
Optional installation bracket
-
FCC, PTCRB, CE, CE Cybersecurity, ISED, RoHS 3 and E-Mark certifications (CalAmp)
Ideal Applications
The CalAmp ATU-1650MB is particularly well suited for vehicle recovery, high-value asset protection, equipment tracking, rental and leasing assets, industrial equipment, trailers, mobile equipment, concealed secondary tracking, inventory visibility, long-term asset monitoring, and applications where access to continuous external power is unavailable or undesirable. CalAmp categorizes the product across Advanced Asset Monitoring, Industrial Equipment, Passenger & Commercial Vehicles, Smart Trailers, and Driver & Passenger Safety applications. (CalAmp)
Its combination of up to seven years of battery life, LTE Cat-M1 multi-region connectivity, four-constellation GNSS, BLE 5.2, standalone or dual-device operation, PEG2 edge intelligence, onboard geofencing, 20,000-message buffering, remote device management, and IP66/IP67 protection makes the ATU-1650MB particularly attractive when customers need a small, discreet and largely self-contained asset tracker capable of remaining deployed for years with minimal maintenance. (CalAmp)
CalAmp ATU-1650MB — Official Product Specifications
SKU DESCRIPTION: ATU1650, CATM, BG95, BLE, INT ANT, 4400 MAH BATT, GEN-HW
