Four Frequency High Power Signal Jammer For Prisons / Military,100watt one way Description: Equipped with special high gain directional planar antenna or fiberglass omni-directional whip antenna, the jammer can effective block CDMA/GSM/DCS /3G/ LTE/WIMAX . Use the overseas advanced chip and technology . With independent modular design, it keeps high operation efficiency, and avoid mutual interference. 100 watts per band, total RF power 200 watts, also with power adjustable