Block cell signal in room
How to block the surrounding wifi? How to block the room signal?
How to block WIFI signal?
1. Because WiFi and router are controlled by others, you can buy a WiFi jammer to block WiFi signal.
2. Most home WiFi is used. The 2.4GHz frequency is open and susceptible to interference. We put it next to the microwave oven, or some high-power electrical appliances can shield the output signal of WiFi.
3. If possible, you can communicate with others, set up a router to shield, and only develop for a small number of MAC addresses.
Portable cell phone jammer for LTE/4G/GPS with 6 powerful antennas
Portable jammers for cell phones 6 antennas, signal blockers for cellular networks VHF / WiFi / GPS / UMTS / LTE4G / CDMA Portable cell phone blockers, range 30m, efficient cooling saves energy.
Blocking frequencies optional: GPS / GSM / UMTS / LTE4G / UHF / WIFI
$299.99
$429.12
GSM UMTS 4G WiFi 2.4G 5.8G GPS Portable Jammer Has good heat dissipation
Stationary 10 band radio frequency energy suppressor is a radio frequency interference generator that completely eliminates the operation of all wireless internet mobile LTE 4G, 3G and 4G, WIFI2.4G / 5.8G, mobile GSM cellular, LOJACK UHF VHF walkie-talkie 315Mhz 433Mhz 868Mhz navigation and GPSL1 navigation L2 L5.
$650.99
$849.99
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