Gold Member Since 2014
Audited Supplier
Shenzhen Greetwin Technology Co., Limited

Signal Jammer, Mobile Signal Jammer, Lojack Jammer manufacturer / supplier in China, offering GPS L1 Car GPS Signal Jammer Blocker, Pocket Cell Phone Jammer (GW-JM1), 300W VHF Jammer / UHF Signal Jammer for Remote Bomb, 50 - 300m VHF UHF Mobile Phone Signal Jammer for Walkie Talkie and so on.

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Supplier Homepage Product Handheld Jammers GPS L1 Car GPS Signal Jammer Blocker, Pocket Cell Phone Jammer (GW-JM1)

GPS L1 Car GPS Signal Jammer Blocker, Pocket Cell Phone Jammer (GW-JM1)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shenzhen, China
Production Capacity: 10, 000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GW-JM1
  • Antenna: One Omni Antennas
  • Weight: 250g
  • Transport Package: Neutral Packing
  • Origin: Shenzhen
  • Colour: Black Color
  • Switch: on/off Switch
  • Trademark: Greetwin
  • Specification: ISO9001
  • HS Code: 8517699000
Product Description
GPS L1 Car GPS Signal Jammer Blocker , Pocket Cell Phone Jammer 1570 - 1580 MHz

Special car GPS jammer. We designed this small yet very handy device in order to help millions of truck drivers around the world who suffer from GPS tracking placed in their 18-wheelers by their employers and who think that their privacy rights are violated in this way.
Of course, GW-JM1 tracking jammer is meant to help all those guys to regain their privacy once and for all. But they are not the only ones who drive vehicles on this planet, right?
So any driver willing to protect him or her can use this product to do that.
1. Small Pocket size and weight
2. Tuned against GPS L1 band
3. Has working state indicator
4. ON/OFF switch make it more user-friendly
5. Rechargeable battery ,with car charger and AC charger
6. One Antenna with GPS L1 frequency range,
1. GPS L1 jammer that can block GPS devices of all kinds.
2. This mini GPS blocking device is designed to protect people from any GPS tracking devices.
3. Simply by pressing the switch, the jammer will automatically start to block all GPS signals around. GPS devices of all kinds won't be able locate themselves or the vehicle, as long as the jammer is on and no more location information leak for you.
4. The external omni-directional antenna provides a 360 degree jamming range.
TypeOutput portFrequencyAverage output power
GPS mini JammerGPS L11570-1580MHz500mw
Power supply: 50 to 60Hz, AC 100 to 240V
With AC adapter (DC12V), Built-in Battery 3.7V,1500mAH
Total Output power: 0.5Watt
1-20M @ depending on the Signal strength
Weight: 250g
Dimension: 4.4cm*9.5cm*2cm
2pcs External Omni-directional Antennas
Running temperature: -10'C to +55'C
GPS L1 Car GPS Signal Jammer Blocker, Pocket Cell Phone Jammer (GW-JM1)
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Mr. Albert Peng
Export Manager
To: Mr. Albert Peng

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