LMU-3240L™
Compact LTE CAT 4 OBD device for connected vehicle telematics
The LMU-3240L is a compact, next-generation LTE CAT 4 OBD device for connected-car and enterprise fleet telematics. Wi-Fi and cellular connectivity, built-in diagnostics, a backup battery, and CalAmp cloud-based analytics support dependable vehicle tracking and monitoring.
- LTE CAT 4 cellular connectivity for connected vehicle applications
- OBDII and alternative power harnesses provide installation flexibility
- Built-in vehicle diagnostics support fleet performance insights
- Wi-Fi connectivity expands communications options
- Internal backup battery supports power-loss reporting
- CalAmp cloud services enable remote monitoring and analytics
Product specifications
| Physical Design | |
|---|---|
| Dimensions | 48 × 63.25 × 29 mm (1.89 × 2.49 × 1.14 in) |
| Weight | 72 g (2.5 oz) |
| Cellular | |
|---|---|
| LTE Cat-4 Bands | B2, B4, B5, B12 |
| 3G Fallback Bands | B2, B5 |
| Cellular Data Support | SMS, UDP, Wi-Fi, TCP, TLS |
| GNSS | |
|---|---|
| GNSS Constellations | GPS, GLONASS, SBAS (WAAS, EGNOS, MSAS) |
| GNSS Channels | 55 Channel |
| Tracking Sensitivity | -167 dBm |
| Acquisition Sensitivity | -157 dBm (hot start) -148 dBm (cold start) |
| Location Accuracy | ~2.0m CEP Open Sky (GPS SBAS 24 hours static) |
| Location Update Rate | Up to 5 Hz |
| A-GPS Location Assistance Capable | Yes |
| Wireless Interfaces | |
|---|---|
| Bluetooth | BLE 4.2 |
| Wi-Fi | 802.11a/b/g/n/ac, 2.4 GHz and 5 GHz |
| Vehicle & Interfaces | |
|---|---|
| Vehicle Connector Type | OBD-II |
| Light-Duty Vehicle Support | J1850 PWM, J1850 VPW, ISO-9141-2, ISO-14230 KWP 2000, ISO-15765 CAN, SW-CAN |
| Antennas & SIM | |
|---|---|
| Cellular Antenna | Internal |
| GPS / GNSS Antenna | Internal |
| Wi-Fi Antenna | Internal, 2.4 GHz & 5 GHz |
| SIM Access | External/Internal (2FF) |
| Power | |
|---|---|
| Operating Voltage | 12-24 VDC Vehicle Systems 9-30 VDC (start-up, operating) 7-32 VDC (momentary) |
| Power Consumption | Typical 500 uA @ 12V (deep sleep) Typical 2 mA @ 12V (sleep on active network) Typical 70 mA @ 12V (active tracking with GPS and cell enabled) |
| Battery Capacity | 180 mAH |
| Battery Chemistry | Lithium-ion (Li-ion) |
| Charging Temperature | 0° to +45° C |
| Environmental | |
|---|---|
| Operating and Storage Temperature | -30° to +60° C (connected to primary power) -10° to +60° C (operating on internal battery) -20° to +25° C ≤ 6 months (long term storage) |
| Humidity | 85% RH @ 50° C non-condensing |
| Shock and Vibration | MIL-STD-202G, MIL-STD-810F, SAE J1455 |
| Electrostatic Discharge | IEC 61000-4-2, 4 kV |
| Sensors | |
|---|---|
| Motion Sensor | 3-axis accelerometer; 3-axis gyroscope |
| I/O | |
|---|---|
| Analog Inputs | 2 external ADC inputs |
| Status LEDs | Programmable dual color (OBD, cellular, GPS) |
| Buzzer | Integrated buzzer for audible alert applications |
| Edge Intelligence | |
|---|---|
| Firmware | EdgeCore |
| Edge Programming | PEG2 & EdgeApp SDK |
| On-Device Geofences | 32 general, >4K expanded |
| Buffered Messages | Up to 20,000 |
| Device Operating System | ThreadX RTOS |
| Software Services | |
|---|---|
| Device Management | Manage, configure, and deploy OTA software updates to connected assets at scale |
| CalAmp Telematics Cloud | Stream telematics data into proprietary systems with flexible API integration |
| CalAmp Application | Fleet and asset management software for tracking, monitoring, and managing vehicles, equipment, drivers, assets, and cargo. |
| Certifications | |
|---|---|
| Certifications | FCC, IC, PTCRB, Applicable Carriers, IEEE 1725-2011, UL 1624, UN 38.3 |
| Accessories | |
|---|---|
| Accessories | CBL00033: 1 meter, 16 PIN OBD II TYBE B 24V Y CABLE, OBD MOUNTING KIT |
| CBL00037: MiTAC Camera, OBD | |
| CBL00010: 0.75 meters, 16 PIN OBD II TYPE B 24V Female (J1939) | |
| 5C639: 2 feet, OBD FEMALE TO RP1226 14 PIN M | |
| 5C776-12V: 1 meter, 16 PIN OBD II TYPE A 12V Y CABLE | |
| 5C776-24V: 1 meter, 16 PIN OBD II TYPE B 24V Y CABLE | |
| 5C990S-5: 5 meters, M25 16 PIN M to J1962 24V M+F Y (H+CAN+J1708+CAN2) | |
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