How to jam wifi signal with iphone?

The SMa-818B signal jammer will act on two wireless frequency bands at the same time for the shielding and interference of WiFi signals, namely the 2.4G frequency band and the 5.8G frequency. Therefore, teachers and parents do not need to worry about whether they are using dual-band WiFi routers or amplifiers. Its shielding of mobile phone signals is also full-standard and full-band, that is, regardless of whether the children's mobile phones use 2G, 3G or 4G, 5G, they will all be blocked.

12 Antennas Plus High Power Portable Mobile Phone Signal Blocker

This is currently the most powerful handheld jammer. The maximum interference range is 60 meters. Can block 12 signal bands. Use the DIP switch to select any signal frequency band.

$699.88~~$1369.99~~

18 Channel Mobile Cell Phone WiFi VHF UHF Lojack Signal Jammer

This Signal jammer is perfect for multiple channel signal jamming such as Mobile Cell Phone 2G 3G 4G 5G, WIFI2.4G, WIFI5.8G, WIFI5.2G, WIFI5.4G, GPS, LOJACK, VHF, UHF, etc.

$719.88~~$1489.79~~

3 band portable GSM UMTS 3G GPS cell phone blocker for cheap sale

This is a small multi-functional mobile phone blocker with GPS/GSM/3G signal blocking function. Small size, easy to transmit GPS signals. Especially easy to carry.

$69.99~~$129.29~~

World First 24 Antenna Portable Jammer Blocks All Signals

World First 24 Antennas all-in-one design wireless signal Jammer with nylon cover for portable, jamming all types of Android phones, Tablets, Smart Phones, iPhones, Win phones etc.

$829.88~~$1599.88~~

8-band GSM 3G 4G mobile phone signal jammer for sale online

This is a portable wifi signal jammer, which can cover 30 meters. Such portable signal interference includes CDMA GSM WIFI-2.4G 3G (UMTS) 4G GPS LoJack DCS PCS.

$301.99~~$473.79~~

Portable black 4-wire WIFI GPS GSM jammer cover 20 meters

Using this 4-band jammer, you can effectively jam the signal from the mobile phone 2G 3G GPS WiFi. Very easy to carry and hide. It can work continuously for 1 to 3 hours.

$168.69~~$255.98~~

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