This is the only desktop type in the market which can be built in battery inside the device.
1.Working frequency :GPSL1L2+ 800/1900/900/1800/3G
2.Coverage: 0-30 meters(can adjustable).
4.LED status indicator
and Retractable antenna
5.24 hours 7 days continuously
It can be customized as the following types either:
Welcome to supply frequencies and we will customize for you.