Product Name: 5.8 G High Power RF Frequency Jammer, ABS Shell Mobile Phone Jammer up to 20m Model NO.: GW-JN8AR-Pro Application: Library Frequency: 1900~1990MHz Frequency Range: PCS1900 Product Name: 5.8g Handy Cell Phone Signal Jammer Antennas: 8PCS 2.5dBi Omni Antennas Output Power: 4W Size: 163X85X43mm Trademark: Greetwin Transport Package: Neutral Packing Specification: ISO9001 Origin: Shenzhen HS Code: 8517699000 Product Description 4W Handheld 3G 4G RF Mobile Phone Signal Jammer WIFI 2.4G 5.8G JammerThis Powerful 8Antennas Portable WiFi5.8 Jammer3G/4G Cell Phone Jammerhas a wide affected frequency ranges to include CDMA/GSM, DCS/PCS, 3G, 4G LTE, 4G Wimax.It also has a jamming range up to 20m, depending on the signal strength in the given area.Within the range, just turn on the jammer, all wireless connection to 2G, 3G, 4G or Wifi network will be disabled at the same time.Adjustment of ON or OFF any of the single bands will not cause any disruption to the operation of others.Besides,it comes with a portable carry case, so it's more easier for you to take it to anywhere.Basic Features:(1) This handheld jammer can block WIFI5.8G.(2) Compact Size and easy carry(3) Multiple bands ,Individual channel on/off selector switches(4) Long battery life (>1.5hours)(5) 8 Omni Antennas.(6)Don't put the jammer into the water or fire to avoid using in the bad Condition like over-wet, over-hot, high voltage and high magnetism.Advantages:Handheld design with ABS plastic shell, Small, Palm-size;Easy to carry, Pocket-size, Hang or wear on the arm or belt(for police);High output power, Can shield all common phone signal around radius 5-20m;Stable performance, Wind hole on two sides and inside coolers make a constant cooling working, The temperature will be less than 50 after continues work 1.5 hours;Power supply using big capacity lithium battery: :4700mA/h, Rechargeable with AC charge and Vehicle DC12V charge, full time about 4Hours,Working time:90 minutes;Each band can work separately or simultaneously.Personalized custom: For different area or devices to customize different types of frequency signal, include Wi-Fi 5.8Ghz signal.Applications:Border control units, checkpoint personnel, Meeting rooms, Hospitals, Banks, Churches, Conference Rooms,etcSpecifications:Type AChannelOutput portFrequency rangeOut-putting power1Wi-Fi 2.4G2400-2500MHz28.5dBm2GPSL11570-1580MHz28.5dBm3CDMA/GSM851-960MHz29dBm4LOJACK167-175MHz29dBm54G WiMAX2500-2690MHz28.5dBm6DCS/PCS1805-1990MHz28.5dBm74G1 LTE700-803 or 790-862MHz29dBm83G2110-2170MHz28.5dBmType B1Wi-Fi 2.4G2400-2500MHz28.5dBm2GPSL11570-1580MHz28.5dBm3CDMA/GSM851-960MHz29dBm4WIFI 5.8G5725-5850MHz27dbm54G WiMAX2500-2690MHz28.5dBm6DCS/PCS1805-1990MHz28.5dBm74G1 LTE700-803 or 790-862MHz29dBm83G2110-2170MHz28.5dBmPower supply: adapter 50 to 60Hz AC (110-240V AC/12V DC)Dimensions: (length ,width, height) 163*85*43mm (not include antenna)Packing size: 250x240x100cmNet weight: 1kgGross weight: 1.35kgTotal power: 4WShielding radius: (2-20) meters at -75dBmStill depends on the strength signal in given areaBuilt-in battery:7.4V/4700mAhContinue working: 1.5 hoursWarranty: one year from delivery date