With developing of high technology signal blockers that can cut off signals of 2G 3G 4G mobile phones and WiFi Bluetooth has been invented and just here this 5 Antennas Portable Selectable Signal Jammer for WiFi Bluetooth 3G 4G Cellphones you are viewing here just owns such kind of ability.
Firstly, owning 5 antennas enables this signal jammer for WiFi Bluetooth 3G 4G cellphones owns the ability to block CDMA GSM DCS PCS 3G 4G LTE 4G Wimax WiFi and also Bluetooth at the same time and depending on the signal strength the shielding range is up to 20 meters at most. What’s more, as designed with the car charger this handheld WiFi Bluetooth 3G 4G phone jammer can be easily applied and charged in the car. In addition, this handheld selectable WiFi 4G mobile phone signal jammer can stay in the good working condition all the time as well since the high quality cooling system with cooling fan has been used on this handheld WiFi Bluetooth 3G 4G phone jammer as well.
For more details of this handheld WiFi Bluetooth 3G 4G phone jammer then you can just come here and have a look at the detailed specifications as follows then.
-CDMA/GSM: 850 to 960MHz
-DCS/PCS:1805 to 1990MHz
-3G:2,110 to 2,170MHz
-WiFi:2400-2500MHz
-4G LTE:725-770MHz
-4G WIMAX:2345-2400MHz