جهاز تعطيل إشارة الهاتف المحمول في السجن

Indoor Wall Type/Desktop High Power Prison Cell Phone Signal Jammer 2g 3G 4G 5G WiFi Blocker Product Description Product Information PTC-WT300W Indoor high power Signal Jammer is specially designed for blocking all cellular networks and all kinds of cellular standard in the world, includes 2g/3g/4g/5g/wifi/VHF/UHFsignals to provide you privacy, security and peace in all ways. Product Name: Powerful Desktop / Wall Type 11-Antennas with 300W Wireless Signal Jammer For 3G 4G Wi

PTC-WP70W Outdoor Waterproof Jamming System is specially designed for blocking all RF cellular networks and all kinds of cellular standard in the world, includes 2g/3g/4g/5g/ WIFI 2.4g & 5.8g with waterproof function to provide you privacy, security and peace in all ways. It has been used widely in prisons/Jails and schools in many countries. Advantages and Features: 1. Each Jammer can jam up to 7 frequencies simultaneously. 2. Built-in high gain directional antennas for