Wi-Fi, also spelled Wifi or WiFi, is a popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves. The Wi-Fi Alliance defines Wi-Fi as any "wireless local area network (WLAN) products that are based on the Institute of Electrical and Electronics Engineers' (IEEE) 802.11 standards".However, since most modern WLANs are based on these standards, the term "Wi-Fi" is used in general English as a synonym for "WLAN".

Wifi signal jammer blocker, it can block the regular wifi signal and make you can not access wifi, it is very helpful in classroom, home and other places.

Compared with other Wi-Fi signals jammer, the Latest High Power Wifi Signal Jammer Blocker With 4 Powerful Antennas - Wifi Jamming Program has more enhanced features and functionalities.

This device can block the frequency of 2.4G. In other words, the blocking device can cover 2400-2500mhz Wi-Fi signals. Strong output power achieves 4W which helps this jammer to cover huge area up to 25 meters. AC power adapter (AC100-240V-DC5V) allows this jammer to work day by day with no stop. The powerful blocking device can cut off the WiFi signals. Do you want to experience the overall function? Please do not hesitate, take action. It will be your first choice.

Affected Frequency Ranges: -2.4G1:2400-2450MHz; 30dBm; 0dBm/30KHz (min) -2.4G2: 2450-2500MHz;30dBm; 0dBm/30KHz (min)

Total output power:4.0W

Jamming range: up to 25m, the jamming radius still depends on the strength signal in given area

Power supply: 50 to 60Hz, 100 to 240V AC With AC adapter (AC100-240V-DC5V),

Dimension: 210 x 50 x 170mm

Weight: 2.8kg 

Note: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc. - See more at: http://jammersales.com/latest-high-power-wifi-signal-jammer-blocker-with-4-powerful-antennas-wifi-jamming-program.html