best Selectable Handheld Powerful 2G 3G 4G Mobile Phone Signal Jammer and Wholesales

This Full bands mobile phone signal jammer can work to block the specified not required frequency bands when there is the demand for signal free zone. Selecting the frequency is one of the multi-function signal blocking units, with carefully built compact structure and sophisticated combined functions.

The handheld powerful signal jammers have a wide range of influence frequencies, including CDMA / GSM, DCS, 3G, 4G LTE, 4G Wimax, Wifi. Its interference range can reach 20m. depending on the signal strength in a given area. Within this range, just turn on the jammer, all wireless connection to 2G, 3G, 4G or Wifi,network will be disabled at the same time. Compared with other Wi-Fi signal jammers, this Handheld Powerful 2G 3G 4G Mobile Phone Signal Jammer and  WiFI Signal Jammer (2.4G,5.8G) has more enhanced features and functionalities. This device not only block the 2.4G frequency, but also block the 5.8G frequency. In a word, the blocking device can cover all Wi-Fi signals. Moreover, the jammer is an selectable unit.In other words, the user can choose to allow operation in one or several frequency bands. Adjusting the on or off of any frequency band will not cause any interference to the operation of other frequency bands. 

The jammer is portable and easy to charge, so it can be used flexibly. It can be applied in meeting rooms, conference rooms, trains, buses and more where you want, and can be powered by a universal AC adapter or a 4700mA / h rechargeable battery. Well-designed cooling system will further ensure your long service time.

This product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, WorldJammer.

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