T-US-150M desktop directional communications jammer #jammer #cellphonejammer https://www.thejammerblocker.com/t-us-150m-directional-4g-mobile-wifi-communication-jammer-150m/ The T-US-150M is a desktop directional communications jammer for large venues with professional radio frequency jamming capabilities. The device's total output power is up to 17.5 watts and accurately covers 23 common communications frequency bands, including GSM, 3G, 4G, Wi-Fi, and Bluetooth. The effective jamming range is up to 150 meters.