20-30 Meters Cell Phone Jammers

Here show the mobile phone jammers with 20-30 meters working radius range in jammer-buy.com. They are desktop and have a high heat dissipation so they can work for a long time.Can be used for the meeting room, office or a small theater.

Powerful Cell Phone Jammer UHF VHF Blocker and LoJack/433/315

With jamming radius up to 50-70 meters,the 12 bands jammer is very powerful and  can block wide frequencies.

Technical Specs: Radius:70m Output Power:30W Weight:6kg Size:330x 238 x 60mm Warranty:One Year

$748.75

4 Antennas GSM/3G Jammer Unadjustable WIFI GPS Signal Blocker

The jamming frequencies of the 4 bands desktop jammer includes GSM,3G and GPS.It can deal with the A-GPS tracking to protect your privacy and be used in many places with the radius up to 30 meters.

Technical Specs: Radius:30m Weight:3.2kg Size:210 x 50 x170mm Warranty:One Year

$213.89

Cheap GPS/Bluetooth/WiFi Jammer GSM 3G 4G LTE Blocker

This jammer can be used for WIFI,GSM,DCS,CDMA and 3G jamming.Of course ,there are other choices for you since it has 5 bands.With the high heat dissipation aluminum shell,it can work for a long time.

Technical Specs: Output Power:12W Weight:2100g Size:210 X 195 X 53 mm Warranty:One Year

$305.89

Adjustable Cell Phone Jammer for GSM/3G/4G Signals Portable WIFI/GPS Blocker

This desktop adjustable jammer is very general using in the class exam room,court,prison,etc to jam mobile phone signals,including GSM,3G,4G.In addition to that,jamming GPS,WIFI can also be of the functions it has.

Technical Specs: Radius:30m Output Power:10W Weight:2.9kg Size:250x106x33 mm Warranty:One Year

$328.89 $690.99
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Cell Phone Jammers

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