Store › WJ100-X Image 1 of 1 WJ100-X SGD 0.00 WJ100-X is designed to deny UHF devices(Wakie-talkies, push-to-talk, etc, for omni-directional up to a distance of 100m. Add To Cart Added! WJ100-X is designed to deny UHF devices(Wakie-talkies, push-to-talk, etc, for omni-directional up to a distance of 100m.