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Shengda Shiji Co.,Ltd

ADD: 1st Floor,NO.51,Fu Cheng Ao,Ping Hu Town,Shengzhen City,GuangDong Province,China.

Tel: +86-755-84690819

Phone: +86-18123903355

E-mail: service@jammerwill.com

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best signal blockers

    • Jamming Cell Phone Signal

      Contact NowJamming Cell Phone Signal3G Cell Phone GPS Signal Jammer for Surveillance with Fan Cooling Feared that you have been tailed by GPS? Or disgusted about those incoming calls around? The signal jammer that specially designed for shielding of CDMA / GSM / DCS / PHS / GPS / 3G signals with different brands can cut off the...Read More

    • GSM And CMDA Call Blockers

      Contact NowGSM And CMDA Call BlockersHandheld Golden 3G Mobile Phone Jammer GPS Blocker with Cooling Fan In order to achieve the requirements of large groups of people, now the jammer products also needs to catch up with the development of the jammer fields such as the mobile phone signals, wifi signal and so on. Besides block the...Read More

    • CMDA Mobile Phone Signal Jammers

      Contact NowCMDA Mobile Phone Signal JammersAdjustable Desktop Five Bands Signal Jammer for Cell Phone, 3G, WIFI, GPS Specifications ■Adjustable Desktop Five Bands Signal Jammer for Cell Phone, CDMA/GSM/DCS/PHS, 3G ■Isolating Signal Bandwidt: - CDMA/GSM(850-960MHz) - DCS/PHS(1805-1990MHz) - 3G (2100-2170MHz) - WIFI (2400-2485MHz) - GPS...Read More

    • 4G Cell Phone Signal Jammers

      Contact Now4G Cell Phone Signal JammersHigh Power 8 Bands Adjustable 4G Cell phone Jammer with Wifi Features ■8 antennas for 2G 3G 4G and WIFI signals ■18W high power jamming ■Working range up to 40 meters ■Designed with adjustable buttons, you can easily decide the jamming distance and the jamming frequency bands ■Cooling system...Read More

    • Mobile Phone Signal Blockers

      Contact NowMobile Phone Signal Blockers5 Antennas High Powered 3G 4G Cell phone CDMA GSM Signal Jammer Specifications ■Primary Function: High Powered 3G Cell phone WiFi and GPS Signal Jammer ■Highly portable design ■Isolating Signal Bandwidth: - CDMA/GSM: 850 - 960Mhz - DCS/PCS: 1805 - 1990MHZ - 3G: 2110 - 2170Mhz - 4G LTE:...Read More

    • Wifi Network Blockers

      Contact NowWifi Network BlockersWifi Sensitive Handheld Cell Phone and 3G Signal Jammer with Fan Cooling. The killer of mobile phones or smartphones! Specially designed for shielding of CDMA / GSM / DCS / PHS / WiFi / 3G signals with different brands, the handheld jammer can cut off the cellular phones' signals with large...Read More

    • 4G Cell Phone Signal Jamming Device

      Contact Now4G Cell Phone Signal Jamming Device14 Full Bands Adjustable 4G Cellphone Signal Blocker-WiFi GPS UHF VHF Lojack Signal Jammer Be surprised by this newest and modern 114 Full Bands Adjustable 3G 4G Cellphone Signal Blocker-WiFi GPS UHF VHF Lojack Signal Jammer, not only by the long name, but also should feel amazing at the...Read More