● Specification

Position Update : every 1.5 minutes (adjust)    

Working Frequency:161.975MHz/162.025MHz     

Output Power:  3W                           

Channel Bandwidth:25KHz                      

Channel Spacing :25KHz                        
Bit Rate: 9600b/s+50ppm(GMSK)
Transmitting range: about10nm
Battery: 7.4V 3000mAh
Working time :More than 240 hours
Waterproofing: IPX7