网络类型
GPRS, GSM, 3G, WIFI 2.4G, Bluetooth, 2G, 4G, GSM900, GSM1800, CDMA850, PCS1900, 4GLTE, 4GWinmax, GPSL1, GPSL2L5, GPSL3L4, VHF, LOJACK, Glonass, WIFI5.2G, WIFI5.8G, RC315, RC433, 5G3400, 5G3600, UHF, RC868
Application
Car, Truck, Bus, Van, or Boat ,GPS,Meeting rooms,banks, hospitals