CDMA GSM 3G 4G Wifi Signal Killer , Cell Phone Signal Blocker Output Power 70W

CDMA GSM 3G 4G Wifi Signal Killer , Cell Phone Signal Blocker Output Power 70W

Cell Phone Signal Blocker Description:

The product you are viewing is GW-JDM6 the High Power 70W Cell Phone CDMA GSM 3G 4G LTE WiFi Signal Jammer with adjustable power. It can not only block the signals of 3G, CDMA, GSM, DCS and PCS, but also can block the signal of 4g LTE. 

Besides it owns Omni-directional Antenna so it can block the signals from all directions and the jamming distance of this one can up to 80 meters at most. And it owns the special design of automatic power switching power supply and every band frequency can select output power and it is adjustable. What’s more, all the TX frequencies cover downlink only, and it is especially good at blocking 3G signal.

And by using the AC adapter it can working without stopping even all the year round. Such kind of high quality jammer can be applied in prison, guard, invigilate meeting room, library, theater, class room and so may other places to help create quiet environment or prevent important information letting out by cell phones.

GREETWIN COMPANY is a special manufacturer of signal jammers and signal repeaters.
Our market research and development department has introduced new products to meet the ever-changing needs of customers since 2008.
To solve your information security issues, is our relentless pursuit.

We also have a lot of high quality products on this website and will be grateful if you can browse more products.

Need mobility? Please browse our portable mobile blocker section.
As always, if you have any questions we are happy to assist you.

Cell Phone Signal Blocker Features:

1. Good cooling system,

2. Working 24 hours continuously.

3. Jamming range up to 80m.

4. Stable capability, cost-effective choice

5. Output power 70w , make more efficient jamming.

6. Heat sink case makes the jammer work in a more stable and cool situation.

7. Six channels with different frequency range,

or customize other cellular standard in the world.

Such as Walkie Talkie,450MHz,GPRS,iDEN,GPS, Galileo,Compass,Glonass,UMTS,WiFi,AWS,LTE 4G.

8. Transmit noise signal to cut off all communication between cell phone and Base station.

The jammed cell phone will show “No Service” .

will not be able to receive or dial outgoing calls.

Cell Phone Signal Blocker Advantage:

Each unit can jam up to 6 frequency bands,Each frequency band is separate and with adjustable power from Max to OFF(0)
100% Safe VSWR over protection for each modular
Good cooling system with build-in heat sink and 4 cooling fan inside, low noise

Package contents:
1pc Desktop Jammer
1pc AC 110 or 220V DC 12V or 27V 20A power supplier
6pcs Antennas Omni 380mm long

Cell Phone Signal Blocker Additional options:
- Directional External Patch Panel Antennas
- Omni car magnetic antenna bases
- External battery that can work 1.5 hour ( 24V/20AH LiFePo4 ) + Charger
- DC 12V to AC 220V inverter 2000W, to use normal car battery DC 12/80-100AH

OEM Customized Service:
All 6 Frequency modules we can mix very flexible, Options: Remote/Alarm Control 315MHz, 433MHz, 920-965MHz, GPS L1 L2 L3 L4 L5, LoJack 173MHz, 4G 700-800MHz (USA), UHF, VHF, SAT Satellite Phones 1520-1670MHz etc. Any combinations and customizations are possible, just send us your inquiry and we will give you our recommendation.

Cell Phone Signal Blocker APPLICATION:
Device can be used to block the cell phone signal in the churches, museums, movie theatres or during the important conference in a meeting room to avoid the leakage of secure information, in classrooms during the exams, courts, hospitals, banks, recording studios or other crowded places where the usage of mobile phone is prohibited.

Cell Phone Signal Blocker Specification:

Only interfere downlink frequency of mobile system, can’t affect normal operation of Base Station.