1. Jam signal type: full bands mobile phone 5G 4G 3G 2G + WiFi 2.4G 5G + GPS L1-L5 + UHF VHF Walkie-Talkie + LOJACK + Remote Control: 433 315 868 2. Jam radius: 2-25 meters 3. Cooling System: high-efficiency aluminum alloy radiator, Build-in cooling fan 4. Built-in battery: 7.4V 12000mAh 5. Product Size: 19 x 12.6 x 4.6cm 6. Handheld design, 16 bands all-in-one frequencies blocking all cell phone signals, LOJACK GPS, Wi-Fi, RF signals 7. 16 watt high output power and high gain antennas, Jamming range 2 to 25 meters (at-75dBm, depending on signal strength in given area) 8. with Nylon Cover Hang or wear on the arm or belt, easy to carry on 9. With DIP switch, can turn on off any signal band without affecting other bands 10. With car charger, can used in car directly, 12V DC AC power supply is also available