GPS Trackers
AVT131
Datasheet
AVT131 Datasheet — LTE Cat 1 Trailer Tracker
Long-life trailer tracker with RS-232 and 1-Wire
Technical datasheet for the AVT131 LTE Cat 1 trailer tracker. Review key specifications, battery options, and interfaces below, or open the full PDF.
Key highlights
- LTE Cat 1 with fallback to 2G
- Waterproof IP67
- Li-Polymer 2000 mAh (optional 3000 mAh)
- Up to 130 days standby on one report per day
- 1 RS-232 serial port
- 1-Wire interface
- BLE 5.3
Overview
AVT131 is a waterproof Assistant Telematics device designed for trailers, heavy machinery, reefers, and flatbed trucks. It meets IP67 standards and is ideal for projects requiring long battery life.
With a 2000 mAh battery and one report per day, the device can operate for approximately 130 days without external power. With a 3000 mAh battery and one report per day, it can operate for around 180 days without external power.
The tracker features built-in BLE and multiple interfaces. Thermograph and TPMS readings are supported via the RS-232 serial port, and the device includes a 1-Wire interface for temperature monitoring and ID authentication.
Applications
- Light vehicles
- Trailers
- Trucks
Physical & environment
| Parameter | Specification |
|---|---|
| Dimensions | 55 (L) × 111 (W) × 26 (H) mm |
| Weight | 161 g |
| IP rating | IP67 |
| Operating temperature | −30 °C to +75 °C |
Network
| Parameter | Specification |
|---|---|
| Module | Quectel EG915UEU LTE Cat 1 fallback 2G |
| 4G bands | B1 / B3 / B5 / B7 / B8 / B20 / B28 |
| 2G bands | B2 / B3 / B5 / B8 |
GNSS
| Parameter | Specification |
|---|---|
| Receiver | Unicore C6226 |
| Constellations | GPS, BDS, GLONASS, Galileo, QZSS, SBAS |
| Horizontal accuracy | < 2.0 m |
| Hot start | < 1 s |
| Cold start | < 28 s |
| Tracking sensitivity | −160 dBm |
| Data update rate | 1 Hz |
BLE
| Component | Specification |
|---|---|
| Bluetooth | Goodix GR5526 BLE — Low-power Bluetooth 5.3 |
Power & battery
| Parameter | Specification |
|---|---|
| Input voltage range | 7–32 V |
| 2000 mAh — report every 1 hour | Approx. 960 hours (40 days) |
| 2000 mAh — report every 6 hours | Approx. 1440 hours (60 days) |
| 2000 mAh — report every 12 hours | Approx. 1680 hours (70 days) |
| 2000 mAh — report every 24 hours | Approx. 3120 hours (130 days) |
| 3000 mAh — report every 24 hours | Approx. 4320 hours (180 days) |
Interfaces & other
| Interface | Details |
|---|---|
| Digital inputs | 2 — 1 ignition input; 1 digital negative / analog input multiplexing |
| Digital output | 1 |
| 1-Wire | 1 |
| RS-232 | 1 |
| USB | Type-C — power and configuration |
| SIM | 3FF, eSIM compatible |
| Memory | 4 MB |
| LED indication | Power, Network, GNSS, CAN |
Certification
AVT131 — Datasheet
v1.0 · 2025 · Release
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