Product Description Jamming devices has developed to integrate more functions and stronger blocking capacity to today. This high power handheld portable cell phone and Wifi jammer for worldwide networks always speaks for itself as one of the best handheld phone Wifi jamming gadgets in the market. The jammer can work for serious of multiple frequency bands worldwide covering European area, Middle East area, as well as American and Asia market, efficiently isolating Wifi, GSM, CDMA, 3G and DCS PHS signal and so on. If you need to disable cell phone or Wifi devices of the frequency band, the jammer would be the easiest way to achieve exactly what you want. The phone jammer is designed of slow start-up circuit, which in some way contributes to the stale performance and high integration. The jamming range of the device can reach up to 20m, depending on the signal strength. Simply turn on the signal jammer, cell phones or other Wifi gadgets within the scope will be disabled and thus create a space free of signals as expected. In addition, the unit also comes with high portability of compact palm size. These features make it fit for flexible using in varied locations. Features Taking use of super-high frequency and mini-power interference technology, high efficiency Effectively making subsections just interfering downlink and no interception on the base station Extreme portability the weight for machine itself and antenna are just 0.35KG Slow start up design of circuit. These elements can maintain the stable operation condition with high integration Connection:Four SMA connectors which are used to connect with antenna (CDMA GSM/DCS PHS 3G/WIFI).One charging connectorNotes Do not place the jammer directed to the sunlight or near the high temperature fires While it is working , the surface temperature is about 45 centigrade. It is normal. However , if it is higher than 45 centigrade, it is abnormal . Please put the power SW to OFF immediately and try to contact your local distributor or agent The shielding range of the device will be determined by the local signal strength. In different situation, it will be with different performance. Please try to put the device in a higher position while it is working .It will be better. The suggested height is about 2M. To avoid the loss of function of the device, please try to avoid the device placed on or the metal materials. Do not put the device near computers, notebook computers, televisions, stereos, and radios and so on, in order not to make some interference for these equipments. Do not turn on the power before the antennas is installed If the antenna is not properly installed in accordance with the manuals, the shielding range will be not so good. Make sure the correct installation before turn on the power. If the charged times is more than 500 times and then cannot be charged any more, please contact your local dealer or dealer and replace the battery.Warning: Do not to use this product for any illegal purpose, otherwise you may be subject to prosecutions under applicable laws. You should be aware that we are obliged to provide the information in connection with your purchase of this product to relevant administrative and judicial authorities at their request. Technical Specifications Radius range: 2-20M (depending on the strength of the signal) Total output power: 3W Isolation Signal Frequency:Europe and Middle East Market: WIFI: 2400-2500MHz GSM900:925-960 MHz GSM1800:1805-1880 MHz 3G: 2110-2170 MHzAmerican and Asia Market: WIFI: 2400-2500MHz CDMA GSM: 850-960 MHz DCS PHS: 1805-1990 MHz 3G: 2110-2170MHz Accessories Jammer 4pcs Antennas AC Charger Car ChargerThis 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, Jammerall.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 .