● Support Kingwo,GT800 protocol and JT808 protocol , and protocol switch by SMS or Bluetooth setting
● Support upload interval by time, distance and speed
● Support OTA (Remote firmware upgrade feature)
● Bluetooth features for parameter setting and sensors connecting
| Physical | Dimension | 75*40*13mm | 
| Weight | 45±3g | |
| Cellular | GSM module | Quectel MC25 | 
| Frequency |  			 Working Frequency: 850/900/1800/1900MHz Network protocol: Embedded TCP/IP stack Sensitivity: -107dBm@850/900MHz -106dBm@1800/1900MHz Output power: Class 4 (2W)@850/900MHz Class 1 (1W)@1800/1900MHz GPRS data: GPRS Class 10, Mobile Station Class B  |  		|
| GPS |  			 Channels: 50 Sensitivity: -147dBm Position accuracy:5-10m Accuracy: 5m CEP Cold start: <27s Hot start: <1s  |  		|
| Bluetooth | Bluetooth 5.0 | |
| Power | Input voltage | 9-100V | 
| Battery | NI-MH AAA 3.6V/60mA,1.5hours working time based on 2-3 minutes upload | |
| Power consumption |  			 Average Current: <30mA (DC 12V) Maximum current: <10mA (DC 12V)  |  		|
| Interface | Digital input(2) | Ignition detect and Air condition status detect | 
| Digital output(1) | Relay | |
| GSM antenna | Internal High Gain | |
| GPS antenna | Internal High Gain | |
| SIM | Microsim | |
| Indicator | Red and Green LED light | |