Discover the powerful Handheld 2.4g 5.8g Cell Phone Signal Jammer with 12 channels, designed to block GSM, CDMA, 3G, 4G, 5G, WiFi, GPS, VHF, UHF, and Lojack signals. With a 37w high power output and a 40m radius, this portable jammer features a built-in battery, LED display, and nylon cover for durability. Perfect for secure environments.