LMU-5541™
LTE CAT 4 telematics router for advanced connected vehicle applications
The LMU-5541 is a feature-rich LTE CAT 4 telematics router for advanced connected vehicle applications. Its Linux platform, CalAmp PEG engine, vehicle bus support, Ethernet, Wi-Fi, Bluetooth, and extensive I/O enable edge intelligence and flexible fleet integration.
- Global LTE CAT 4 connectivity with GSM and HSPA fallback
- Dual-band Wi-Fi and dual-mode Bluetooth connectivity
- Dual Ethernet plus RS-232 and RS-485 interfaces
- Supports OBDII, J1939, and J1708 vehicle protocols
- Built-in triple-axis motion sensor supports event detection
- CalAmp PEG and Linux OpenWrt SDK enable custom applications
Product specifications
| Physical Design | |
|---|---|
| Dimensions | 146 × 102 × 40 mm (5.75 × 4.02 × 1.57 in) |
| Weight | 227 g (8.0 oz) |
| Cellular | |
|---|---|
| LTE Cat-4 Bands | B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28, B38, B39, B40, B41 |
| 3G Fallback Bands | B1, B2, B4, B5, B8 |
| 2G Fallback Bands | B2, B3, B5, B8 |
| Cellular Data Support | TCP/IP, UDP/IP, DHCP, HTTP, IP Router, PPP, HTTP web server, Telnet DHCP se rver, DDNS, DDNS Client, NAT, NMEA, TAIP, TSIP, TFTP, IP port forwarding Product Options |
| GNSS | |
|---|---|
| GNSS Constellations | GPS, GLONASS, SBAS (WAAS, EGNOS, MSAS) |
| GNSS Channels | 55 Channel |
| 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 |
| 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; J1939; J1708 |
| Serial Interface | RS232/RS485, TTL |
| Antennas & SIM | |
|---|---|
| Cellular Antenna | External |
| GPS / GNSS Antenna | External |
| Wi-Fi Antenna | External |
| Cellular Diversity Antenna | External |
| SIM Access | Internal |
| Power | |
|---|---|
| Operating Voltage | 12/24 VDC Vehicle Systems 9-30 VDC (start-up, operating) 8-32 VDC (momentary) |
| Power Consumption | Typical <2mA @ 12V (deep sleep) Typical 20mA @12V (radio-active sleep) Typical ~300mA @ 12V (active tracking w/GPS and cell enabled) |
| 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, MIL-STD-810F, SAE J1455 |
| Electrostatic Discharge | IEC 61000-4-2, 4 kV |
| Sensors | |
|---|---|
| Motion Sensor | 3-axis accelerometer |
| I/O | |
|---|---|
| General I/O Connector | 22-Pin Connector |
| Primary Device Connector | 4-Pin Connector |
| Digital Inputs | 7 (high/low selectable 0-30 VDC) |
| Digital Outputs | 7 relay driver outputs (200mA) |
| Analog Inputs | 5 general purpose A/D (0-30 VDC) |
| Serial Interface | 1 DB-9 (RS232/RS485), 1 5-Pin TTL level with switched power |
| 1-Wire Interface | 2 (driver ID, temperature sense) |
| Status LEDs | 5 (Pwr, COMM, GPS, Wi-Fi, BT) |
| Ethernet Ports | 2x 10/100 Base-T RJ45 |
| Edge Intelligence | |
|---|---|
| Firmware | 32-Bit |
| Edge Programming | PEG & EdgeApp32 SDK |
| Device Operating System | Linux |
| 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 | 5C941: 6 inches, Serial 5-pin to 4-pin Converter Pigtail (Need To Order With 134364-SER) |
| 134364-SER: 3 feet, DB9 Female (DCE) to 5-pin Universal Serial Programming Cable | |
| 134364-MDT5: 1 foot, 5-pin to DB9 Male (DTE) Serial Adapter with Switched Power and Selectable Voltage (5V default) | |
| 134364-MDT12: 1 foot, 5-pin to DB9 Male (DTE) Serial Adapter with Switched Power and Selectable Voltage (12V default) | |
