接头类型
3G/4G sim卡, 5G sim卡, 2G sim卡
Update time
Average 0.1 sec.
Maximum height
18,000 meters(60,000 feet)
Maximum speed
5151 meters/second (1000 knots)
Instantaneous displacement
20m/sec
LED light
3 led lights refers to status of power,GPS and GSM
Button
SOS button supported
GPS frequency
L1, 1575.42 Mhz