8 Bands Antenna 2G 3G 4G GSM Portable Cell Phone Jammers

8 Bands Antenna Portable Cell Phone Jammers 2G 3G 4G GSM High Power

Description

This product has a small size, easy to carry. Can block 8 bands frequencies, and have a very large jammer range. Has separate frequency control switch, you can turn on or off the frequencies you want to jamming as needed.

It is dedicated to signal shielding in open and large areas, such as various examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, government, finance, prisons, public security, etc. Places where the use of mobile phones is prohibited, such as military powerhouses.

Product Features

• Has good heat dissipation performance, can long time stable work.
• It has very large jammer range and stable jamming performance.
• It is small and exquisite in design and is convenient for carry.
• Output channel: eight channels output ( Subject to actual delivery)
• The frequency band of shielding can be customized
• Each channel can work and be switched independently
• The output power of each channel can be smoothly adjusted

Precautions

1.The jammers are customized according to the frequency bands of different countries, please confirm that the purchase country and the actual use country are consistent. Otherwise it can not be used.Please read the jammer function before purchasing.
2.If the low power jammers(such as handheld jammers) to blocker high power signal device(such as high-power WIFI router, Bluetooth audio equipment, etc.), the effect will be poor or even can not jammer.
4.Do not use jammers before connecting the antenna.

Specification