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Truck Fuel Tank Monitoring System with Fuel Sensor & Remote Engine Cut-off
The M528S is a multi-functional GPS tracker designed for advanced fleet management. In addition to standard tracking features, it includes a serial RS232 port to support optional accessories such as fuel sensors, cameras, and RFID readers.



| Items | Parameters |
|---|---|
| GSM Frequency | 850/900/1800/1900 MHZ |
| LBS Accuracy | 100-500m |
| GPS Positioning Accuracy | 5-10m |
| Working Voltage | 9VDC ~ 45VDC |
| Operating Temperature | -20ºC to 70ºC |
| Size | 96mm × 55mm × 26mm |
| Internal Battery | Rechargeable lithium polymer 380mAh |
| Inputs/Outputs | 3 Inputs (ACC), 2 Outputs, 1 A/D Input |


With over 10 years of experience, our manufacturing base includes molding, plastics shaping, SMT, and full production lines. We maintain strict QC protocols, testing every unit individually before delivery.





