DUAL ANTENNA: The detector is an upgraded version with dual antenna. Dual band combine with professional radio waves, so it can search faster signal from 300MHZ to 2700Mhz, antenna for low frequencies(300mhz ~ 800mhz) and GSM antenna for high…
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DUAL ANTENNA: The detector is an upgraded version with dual antenna. Dual band combine with professional radio waves, so it can search faster signal from 300MHZ to 2700Mhz, antenna for low frequencies(300mhz ~ 800mhz) and GSM antenna for high…
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