Product Description This jamming device has a hidden design. You can hide the antenna and not easily noticeable. Has a separate band control button. You can open or close a frequency band according to your needs. This jammer is easy to carry, and you can put it in a backpack or tie it to your arm as needed. This jammers applies to Police, Bomb disposal squads, VIP protection, Special Police (S.W.A.T), military security forces, bomb squads, anti-terror units, anti-drug units, Border control units, checkpoint personnel and so on. Such types of law enforcement personnel who benefit greatly from the deployment of any state in the art portable RF jamming solutions,who can conduct the law enforcement process more effectively to reduce the chance that the criminals leak the information. Product Features: 1.Can simultaneously or individually jamming six different frequencies, your can block different bands as needed 2.Total output power is up to 5W 3.Has a good heat dissipation system, can guarantee a long time continuous normal work 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. 3.It is forbidden to use while charging. 4.Do not use handheld jammers as desktop jammers. 5.Do not use jammers before connecting the antenna.Parameter NameParameter DetailsModelWF-K6Jamming frequenciesLTE4G700: 725-775 MHz CDMA800: 851-894 MHz GSM1900: 1920-1990 MHz 3G: 2110-2170 MHz WiFi 2.4Ghz: 2400-2500 MHz GPSL1: 1570-1580 MHz Jamming radiusUp to 15 metersPower supplyPower plug, built-in batteryBuilt-in battery3000 mAhTotal output power5WVoltageAC110-240V DC12VOperating temperature-10℃ to +50℃Operating humidity5% to 80%Device size160mm*90mm*50mm(without antennae) 230mm*90mm*50mm (with antennae cover) Device weight600 g