The LMU-1220 rechargeable battery pack trailer tracking product is designed for reliable, multi-year deployments. The LMU-1220 is an ideal solution for managing assets that are normally tethered to 12 or 24 volt systems but may still idle for extended periods.

The LMU-1220 high-value tracking unit from CalAmp features a small size, superior GPS performance, an internal 5.2 Ah battery and three Inputs/Outputs (I/O). The LMU-1220 is a complete vehicle tracking and communications device incorporating next-generation, super-sensitive GPS technology on GPRS, CDMA, and HSPA cellular networks for installation in any 12 or 24 volt mobile vehicle. Superior internal antennas for both cellular and GPS eliminate the need for wired antennas and make the LMU-1220 mountable virtually anywhere in the vehicle for east, inexpensive installations. Messages are transported across the cellular network using enhanced SMS or UDP messaging providing a reliable communications link between the device and your application servers. The LMU-1220 is designed to dramatically reduce cost of ownership, power and size while providing excellent field reliability.


The LMU-1220 employs CalAmp’s industry leading on-board alert engine, PEG™ (Programmable Event Generator). This advanced engine monitors external conditions and supports customer-defined expectation-based rules to help meet the needs of your application. PEG continuously monitors the vehicle environment and responds instantaneously to pre-defined threshold conditions related to time, date, motion, location, geo-zone, input,and other event combinations. With PEG, your unique application will meet demanding customer requirements. This behavior can be programmed by CalAmp before shipment at a customer’s facility, or over-the-air once the unit has been fielded.

Over-the-Air Serviceability

The LMU-1220 also leverages CalAmp’s industry leading over-the-air device management and maintenance system, PULS™ (Programming, Updates, and Logistics System). Configuration parameters, PEG rules, and firmware can all be updated over the air. PULS offers out-of-the-box hands free configuration and automatic post-installation upgrades. You can also monitor unit health status across your customers’ fleets to quickly identify issues before they become expensive problems.

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Manufacturer Calamp
Dimensions2.125” x 4.33” x 1.59”, (54 x 110 x 40.4mm)
Weight12 oz / 340 g (with harness)
Power Supply<1mA @ 12V (deep sleep)
<16.7mA @ 12V (SMS only)
<37mA @ 12V (SMS, data, and GPS)
<75mA @ 12V (Continuous Transmit)
CertificationsPTCRB, FCC, Industry Canada, CE
Operating Temperatures-30° to +85° C (connected to primary power)
-30° to +70° C (connected to battery power)
-40° to +60°C (storage)
MountingScrew mount bracket, Standard tie-wrap or adhesive
CommunicationsGPRS/EDGE/HSPA and CDMA 1xRTT packet data, UDP and SMS
Number of Inputs3 fixed bias
Humidity95% R.H. @ 50° C non-condensing
  • 6 months with single message cycle per day on fully charged batteries.
  • 3.8 Ah lithium ion rechargeable battery pack
  • IP66 sealed enclosure
  • Packet data (GPRS,CDMA 1xRTT, or HSPA) and SMS-based messaging
  • Internal GSM and GPS antennas
  • Super sensitive GPS tracking
  • Ultra-low power save mode (<2mA)
  • 3-axis accelerometer for motion sense and impact detection
  • 3 inputs and 3 outputs
  • Voltage monitoring and low battery notification
  • 2,000 buffered messages
  • 4 Built-in Geo-fences
  • PEG™ Exception-Based Rules
  • Automatic, Over-The-Air Unit configuration on Power-up (PULS™)
  • Over-The-Air Firmware Download (PULS™)
  • Web-Based Device Management (PULS™)

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