Dual high gained external antenna one is 4G antenna and one is WiFI antenna. Frequency BandsFDD:B1,B3,B5,B7,B8,B20;TDD:B38,B39,B40,B41;WCDMA:B1,B5,B8;WCDMA:B1,B5 ,B8;EVDO BC0;GSM:900/1800MhZ. HOW TO USE Even if your SIM card is compatible with CPF905, it is not necessarily plug and play, maybe you need to disable the PIN code of the SIM card and modify the APN.
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