how cell phone jammers work

... sometimes known as blockers or breakers are made to exact specifications as detailed below. do not outside ...

... Prison GSM 3G 4G 5G Signal Product Description: At a Glance: Total 400W High Power Each band can independently...

... 4. Stable capability, cost-effective choice 5. Output power 10w , make more efficient jamming. 6. Heat sink case makes the in a more s...

... 365 Days Range Up To 40m Advantages: Good cooling system with cooling fan inside Can adjust or turn off any single band ...

.... 3． Each band can be turn on and off independently. 4． Updated for times with higher power for longer jamming range and better cooling system, hea...

.../180W Directional Antennas Prison Mobile Signal Brief Description: Vodasafe High Power prison Jamming system PJ630 Series a...

...be applicable in jails, churches, meeting rooms and cars. The covering range of the can reach to 20 meters radius depending on the signal s...

Cell Phone Signal Jammer with Power supply 220VAC, 30m jamming distance Description ZD-GR001 Cell Phone Signal Jammer applied intelligent digital jamm...

... Signal , made of high quality Aluminum Alloy material, with a temperature from -20℃ To +50℃, and a 1 year warranty. This p...

... with nylon case Descriptions Multi-band signal can to isolate the specified unwanted frequency bands when...

... with nylon case Descriptions Multi-band signal can to isolate the specified unwanted frequency bands when...

Product Specifications: Main Feature: 5 Bands Handheld , GPS and Wifi Signal with Single-Band Control (For Worldwide al...

... continuously or simultaneously. 3. With DIP Switch.Separete swicth for each band,accopanied with a LED light. 4. Total RF output power up ...

... 3G/4G (LTE+WIMAX) +wifi Black 12-24 v vehicle power supply brand:bochuangshikong model:BCSK-T60A Interference distance:2-1...

... and out this high-tech Wifi signal TX- NZ150W. It is made of the built in antenna RF Amplifier Unit, Multiplexer,Main Control B...

Waterproofness signal CK-2011A Waterproofness signal Product Description(CK-2011A) It can continue for 365...

...adjust or turn off any single band without influencing the other bands operation * non-stopped * Stable capability * Could be used in car dire...

Main Feature: Four Bands Handheld 2G,3G,4G LTE with Single-Band Control (For Worldwide all Nets),Each band can separately o...

...le . 2. Each band can separately or simultaneously. 3. Wind slots on both sides and inside cooling fans make a constant . 4.With...