(4) Antenna : The G618 have three antenna connector,one for GSM, another for RF, last onefor 5.8, it has marks on device and antenna, must match it one by one before screw it. Three Antennas professional radio frequency detection device,split antenna for different frequencies,one for RF 300 - 700Mhz,one for GSM 700 - 2700Mhz,one for 5.8Ghz.
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