After the 6-band cell phone signal blocker is activated, it can continuously and uninterruptedly transmit interference signals targeting all mobile phones on the market (including all frequency bands of 2G, 3G, and 4G), as well as 2.4G and 5G Wi-Fi and Bluetooth devices, all within the shielding range Mobile phones, wireless local area network Wi-Fi and Bluetooth devices will all lose their communication functions, and cannot send and receive text messages, make calls or browse the Internet. The jammer can emit broadband interference signals spanning 860Mhz to 3000Mhz (can also customize any frequency band from 20Mhz to 6000Mhz according to customer needs), completely covering all wireless communication devices currently on the market (all kinds of mobile phones, iPad, MP4, Bluetooth equipment, LAN equipment, etc.