Cellular Phone Breaker has jamming range of diameter 50 to 60 meters and patch antenna gain 5dBi of each band designed to cut off wave only in the down-link band width; hence donot affect any interference to base station and repeater. Cellular Phone Breaker is controlled by an IR remote with TX frequency range from 851/869 to 894 MHz, 925/936 to 965 MHz, 1800 to 1900MHz and 2100 to 2170 MHz and total output power EIRP 30W.