Large amounts of WiFi jammers are for sale at the online stores now and it is necessary to think twice about which one you should choose. A choice can be made based on the real situation that the device planned to be used and the requirements about the jamming distance, whether the device is portable and so on. And for this Built in Antenna Mini Handheld WiFi Jammer which is designed for people in need of the palm-sized WIFI jammer devices.
This mini jammer device is designed only to jam the 2400-2500MHz WiFi signal with an output of 0.5W. Through the output power of this WiFi jammer is not strong, but since adapting the super-high frequency and mini-power interference technology, high efficiency, the effective jamming range is up to 10 meters for this WiFi jammer.
And the hidden design of the antenna make the WiFi jammer not easy to be discovered by others, as you can just put it into your pocket and other hidden places. In this way, more convenience are created for the users who want to block the WiFi signal without the device being easily discovered by others.
-WiFi 2.4G 2400-2500MHz