HMU-3640LB™
Rugged LTE CAT 1 telematics gateway for heavy-duty equipment
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The HMU-3640LB is engineered for heavy-duty machinery in construction, industrial, oil, mining, and agricultural applications. Its sealed IP66/IP67 design, global LTE CAT 1 connectivity, flexible wired interfaces, and edge programming deliver dependable data in demanding environments.
- Global LTE CAT 1 connectivity with 3G and 2G fallback
- IP66- and IP67-rated sealed, MIL-STD-certified design
- Bluetooth Low Energy 5.2 connectivity for wireless peripherals
- RS-232, RS-485, dual CAN, and multiple I/O interfaces
- Modbus protocol support for industrial equipment integration
- Built-in accelerometer and gyroscope support motion intelligence
- PEG and EdgeApp32 enable programmable edge intelligence
Product specifications
| Physical Design | |
|---|---|
| Dimensions | 178 × 76 × 41 mm (7.01 × 2.99 × 1.61 in) |
| Weight | 250 g (8.8 oz) |
| Cellular | |
|---|---|
| LTE Cat-1 Bands | B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28, B32, B38, B39, B40, B41, B66 |
| 3G Fallback Bands | B1, B2, B4, B5, B6, B8, B19 |
| 2G Fallback Bands | B2, B3, B5, B8 |
| Cellular Data Support | SMS, UDP Packet Data, TCP, TLS |
| GNSS | |
|---|---|
| GNSS Constellations | GPS, GLONASS, SBAS (WAAS, EGNOS, MSAS) |
| GNSS Channels | 55 Channels (with SBAS) |
| Tracking Sensitivity | -167 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 |
| Anti-Jamming Detection | Yes |
| Wireless Interfaces | |
|---|---|
| Bluetooth | BLE 5.2 |
| Vehicle & Interfaces | |
|---|---|
| Vehicle Connector Type | J1939 |
| Heavy-Duty Vehicle Support | J1939 |
| Serial Interface | RS232/RS485, Modbus |
| Antennas & SIM | |
|---|---|
| SIM Access | Internal (2FF SIM) |
| Power | |
|---|---|
| Operating Voltage | 12/24 VDC Vehicle Systems 9-32 VDC (start-up, operating) 7-32 VDC (momentary) |
| Power Consumption | Typical 300uA @ 12V (deep sleep) Typical 20mA @ 12V (radio-active sleep) Typical 100mA @ 12V (GPS tracking and cell enabled) |
| Battery Capacity | 500 mAh |
| Battery Chemistry | Nickel-metal hydride (NiMH) |
| Charging Temperature | 0° to +40° C |
| Environmental | |
|---|---|
| Operating and Storage Temperature | -30° to +75° C (connected to primary power) 0° to +50° C (operating on internal battery) -20° to +25° C ≤ 6 months (long term storage with battery) |
| Humidity | 95% RH @ 50° C non-condensing |
| Shock and Vibration | MIL-STD-202G, MIL-STD-810F, SAE J1455 |
| Electrostatic Discharge | IEC 61000-4-2, 4 kV |
| Ingress Protection Rating (IP) | IP66 & IP67 |
| Sensors | |
|---|---|
| Motion Sensor | 3-axis accelerometer |
| I/O | |
|---|---|
| Primary Device Connector | 12-Pin Mini-Deutsch Connector |
| Ignition Inputs | 1 fixed bias |
| Digital Inputs | 1 (high/low bias selectable 0-32 VDC) |
| Digital Outputs | 1 (open collector relay 150mA) |
| Analog Inputs | 1 (external ADC inputs, 0-32 VDC) |
| Serial Interface | 1 (RS232/RS485) |
| Status LEDs | 4 (GPS, cellular, Wi-Fi/BT, CAN) |
| Edge Intelligence | |
|---|---|
| Firmware | 32-Bit |
| Edge Programming | PEG & EdgeApp32 SDK |
| On-Device Geofences | Rectangle or radial zone: 21 Radial zones or vertices: 5400 |
| Buffered Messages | Up to 20,000 |
| 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, CE, IC, PTCRB, RoHS |
| Accessories | |
|---|---|
| Accessories | Cable, Deutsch, 12-Wire, Flying Leads |
