LMU-3641MB™
LTE CAT M1 telematics gateway with external GPS and cellular antennas
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The LMU-3641MB is a flexible LTE CAT M1 telematics gateway with external GPS and cellular antenna connections for installation flexibility. Extensive I/O, built-in vehicle diagnostics, a backup battery, and CalAmp edge intelligence support advanced fleet tracking, controls, and analytics.
- LTE CAT M1 connectivity with external GPS and cellular antennas
- Four digital inputs and three relay-driver outputs
- Two analog inputs plus TTL and RS-232 serial interfaces
- Built-in triple-axis motion sensor supports event detection
- Internal backup battery supports power-loss reporting
- CalAmp PEG logic enables configurable edge applications
Product specifications
| Physical Design | |
|---|---|
| Dimensions | 94 × 53 × 20 mm (3.70 × 2.09 × 0.79 in) |
| Weight | 142 g (5.0 oz) |
| Cellular | |
|---|---|
| LTE Cat-M1 Bands | B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B28, B39 |
| 2G Fallback Bands | B2, B3, B5, B8 |
| Cellular Data Support | SMS, UDP Packet Data, TCP |
| GNSS | |
|---|---|
| GNSS Constellations | GPS, GLONASS, SBAS (WAAS, EGNOS, MSAS) |
| GNSS Channels | 55 Channel |
| Tracking Sensitivity | -162 dBm |
| Acquisition Sensitivity | -156 dBm (hot start) -148 dBm (cold start) |
| Location Accuracy | ~2.0m CEP Open Sky (SBAS 24 hours static) |
| Location Update Rate | Up to 4 Hz |
| A-GPS Location Assistance Capable | Yes |
| Wireless Interfaces | |
|---|---|
| Bluetooth | BLE 5.0 |
| Vehicle & Interfaces | |
|---|---|
| Vehicle Connector Type | OBD-II; J1939; J1708; RP1226 |
| Heavy-Duty Vehicle Support | J1939, J1708 |
| Light-Duty Vehicle Support | J1850 PWM, J1850 VPW, SW-CAN, ISO 9141-2, KWP 2000, ISO 15765 CAN |
| Serial Interface | TTL, RS-232 |
| Antennas & SIM | |
|---|---|
| Cellular Antenna | External, SMC |
| GPS / GNSS Antenna | External, SMA |
| SIM Access | Internal (2FF SIM) |
| Power | |
|---|---|
| Operating Voltage | 12/24 VDC Vehicle Systems 9-30 VDC (start-up, operating) 7-32 VDC (momentary) |
| Power Consumption | Typical 600uA @ 12V (deep sleep) Typical 15mA @ 12V (radio-active sleep) Typical 90mA @ 12V (active tracking w/GPS and cell enabled) |
| Power Output | 1 switched VIN, 2 switched 3.3V |
| Battery Capacity | Up to 1000 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 with battery) |
| Humidity | 85% RH @ 50° C non-condensing |
| Shock and Vibration | MIL-STD-202G |
| Electrostatic Discharge | IEC 61000-4-2, 4 kV |
| Load Dump Protection | SAEJ1455 |
| Sensors | |
|---|---|
| Motion Sensor | 3-axis accelerometer |
| I/O | |
|---|---|
| Primary Device Connector | 24-Pin 3mm Pitch |
| Ignition Inputs | 1 fixed bias |
| Digital Inputs | 4 (high/low bias selectable 0-30 VDC) |
| Digital Outputs | 3 (open collector relay 150mA) |
| Analog Inputs | 2 external ADC inputs |
| Serial Interface | 2 (1 TTL, 1 RS-232) |
| DC Power Outputs | 1 switched VIN, 2 switched 3.3V |
| 1-Wire Interface | 1 (driver ID/temperature sense) |
| Status LEDs | 4 (GPS, cellular, VBUS, LAN) |
| Buzzer | Programmable audible alert |
| Edge Intelligence | |
|---|---|
| Firmware | 32-Bit |
| Edge Programming | PEG & EdgeApp32 SDK |
| 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, CE, PTCRB, RoHS, BT SIG, RCM |
| Accessories | |
|---|---|
| Accessories | CBL00036: 2 meters, CABLE, 3MM PITCH 2X8 PIN MALE, J1939 TYPE 2 9 PIN |
| M+F Y (H+CAN+J1708+CAN2), MOUNTING KIT | |
| CBL00033: 1 meter, 16 PIN OBD II TYBE B 24V Y CABLE, OBD MOUNTING KIT | |
| CBL00030: 3.5 meters, CABLE, 24 PIN, AUX 1 VIN, AUX 2 SWITCHED | |
| VIN, FUSED | |
| CBL00029: 200 mm, CABLE, 6 PIN MALE TO 5 PIN FEMALE, SW VIN, ADAPTER | |
| CBL00024: 2.5 meters, CABLE, 24-PIN, AUX1/2, FUSED, FLYING | |
| LEADS | |
| CBL00014: 305 mm, CABLE, 24-PIN DUAL ROW, M12 3-PIN | |
| CBL00013: 305 mm, CABLE, 16-PIN DUAL ROW, M25 16-PIN | |
| 5C348: 2 meters, Fused Pwr/Gnd/Ign Cable | |
| 5C360: 2 meters, Fully Connectorized Harness | |
| 5C735: 2 meters, Breakout Cable | |
| 5C779: 2 feet, Serial Adapter Cable | |
| 5C411M: 1 meter, LMU-3640 VBU 2x8 to RP1226 (H+CAN+J1708+CAN2, power Pin1) | |
| 5C411M: 2 meters, LMU-3640 16mm Red Indicator Light to M12 3-Pin M Cable | |
| 5C612: 2.75 meters, LMU-3640 VBU 2x8 to RP1226 (H+CAN+J1708+CAN2, power Pin1) | |
| 5C709M: 2 meters, 3mm Pitch 2x8 Pin M to J1939 Type 2 9-Pin M+F Y (H+CAN+J1708+CAN2) Cable | |
| 5C723: 1 Feet, 3mm Pitch 2X8 Pin M TO DE 15 M (CAN+1708+CAN2), LIGHT DUTY, Cable | |
| 5C734M-2: 2 meters, 3mm Pitch 2x8 Pin M to J1962 Type B M+F Y (All) Cable | |
| 5C744-1: 1 meter, LMU-3640 VBU 2x8 to RP1226 (H+CAN+J1708+CAN2, power Pin14) | |
| 5C744-275: 2.75 meters, LMU-3640 VBU 2x8 to RP1226 (H+CAN+J1708+CAN2, power Pin14) | |
| 5C823: 1 foot, 3mm Pitch 2x8 Pin M to DE-15 F (H+CAN+1708+CAN2) Cable | |
| 5C970M-2: 2 meters, 3mm Pitch 2x8 Pin M to J1708 6-Pin M+F Y (H+1708) Cable | |
| 5C990M-2: 2 meters, 3mm Pitch 2x8 Pin M to J1962 Type B M+F Y (H+CAN+J1708+CAN2) Cable | |
| 5C991M-2: 2 meters, 3mm Pitch 2x8 Pin M to J1962 Type B M+F Y (CAN) Cable | |
| 5C994M-2: 2 meters, 3mm Pitch 2x8 Pin M to J1939 Type 2 9-Pin M+F Y (H+CAN+CAN2) Cable | |
