This 8 Bands Portable Cell Phone Jammer,can jamming all types of Android phones, Tablets, Smart Phones, iPhones, Windows phones etc. that use 2G, 3G, 4G, GPS L1-L5, LOJACK, or Remote Control 315Mhz 433MHz and Bluetooth WIFI wireless signals popular in 2019 and in years to come, build-in Ni-Mh battery 4700mAH working 1.5 Hours
1.8 Bands 4.0W with Ni-Mh battery 4700Mah, Working 1.5 Hours Support use while battery charging
2.With DIP switch, separate switch for each band, accompanied with a working LED light
3.Could be used in car directly, with car charger and AC charger
4.Inside cooling fans and Bigger heatsink design ensure the device to work continuously
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.
CDMA or GSM: 851-894 or 925-960MHz
DCS or PCS: 1805-1880 or 1920-1990MHz
Wi-Fi 2.4G: 2400-2500MHz
4G1 LTE: 700-803 or 790-862MHz
4G Wimax: 2500-2690 or 2300-2400MHz