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