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
Application
Car, Truck, Bus, Van, or Boat ,GPS,Meeting rooms,banks, hospitals