product description;8 Bands Desktop WiFi signal Jammers that can interfere with 4G cellular signals

https://www.jammermfg.com/cell-phone-jammers.html
This 8 Antenna WiFi signal Jammers can jam the signal of CDMA GSM DCS PCS 3G 4G WiFi and Bluetooth at the same time. The signal-to-noise ratio of this wifi blocker is also as strong as designed. The interference distance of this WiFi jammer is up to 25 meters, depending on the signal strength of the detailed location. Due to the design of high-quality cooling performance, this WiFi signal jammer can easily achieve the goal of 24 hours of uninterrupted work.https://www.jammermfg.com/8-bendable-antennas-desktop-4g-wifi-bluetooth-blocking-equipment.html

Key Features:
1. Can interfere with 10-25M CDMA GSM DCS PCS 3G 4G WiFi signal.
2. High power output, the total output power is up to 16W.
3. High-quality cooling system, easy to achieve 24-hour uninterrupted work.
4. It can be opened in many indoor places such as classrooms, homes, conference rooms and so on.
https://www.jammermfg.com/wifi-jammer.html