Product Description Powerful and effective, this Powerful Golden Portable Cell phone & Wi-Fi & GPS Jammer can effectively disable any Wi-Fi networks, GPS devices, and cell phone signals (on the GSM, CDMA, DCS and PHS bands) without interrupting any other electronic devices. The highly portable size and one-touch power button allows users to quickly turn the device on or off for instant jamming or not. Compact size - easily fits in your bag or purse. Incredibly easy to operate and carry around, this portable signal jammer is both the ideal security and anti-security device and quite simply one of the best we have ever tested. With this HIGH POWER Portable Signal Jammer, you get a TRUE working radius of up to 15 meters , meaning this portable signal jammer can be used to cover a large area without needing to be centrally located. So where does it work? Just turn it on when conducting your company presentation, meeting, worship service, legal proceedings, or other important activities, and you will instantly have complete security and a disturbance-free environment. Built in rechargeable li-ion battery supports you all day long, besides, this powerful jammer Can be charged by AC adapter or car charger.Powerful Golden Portable Cell phone & Wi-Fi & GPS Jammer Specifications    Isolating Signal Bandwidth: - GPS: 1500-1600 MHz - CDMA: 850-894MHz - DCS: 1805-1880MHz - GSM: 925-960MHz - PHS: 1900-1930MHz - CDMA1900: 1930-1980MHz - WiFi: 2400-2500MH Single output power: +30dBm /1W Power Source: Wall plug, car adapter, or built-in battery Power input: AC110V-240V Power output: DC8V 3000mAh Typical Battery Life: 2-3 hours of continuous use Jamming range: Radius 2-15 M (the Cellular signal must ≤-85dBm in the location, and the jamming radius still depends on the strength signal in given area ) Dimension: 110 (L) ×62 (W) ×30(H) mm not include antenna Weight: 300g  Temperature:-40 to +55℃ Relative humility:≤90%(RH) Air pressure: 86~106kPaAccessories Powerful Jammer AC adaptor Car adaptor AntennasThis product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers.Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation