Power Desktop Adjustable 8 Bands Cell Phone WiFi GPS Signal Jammer
Power Desktop Adjustable 8 Bands Cell Phone WiFi GPS Signal Jammer

Power Desktop Adjustable 8 Bands Cell Phone WiFi GPS Signal Jammer

JYT-870A  8 antennas cell phone signal jammer(also as signal blocker,signal isolater) with frequncies of CDMA,GSM,PCS,3G,4G,GPS,WIFI is our new arrival in 2016. The most advanced desgin of this cell phone jammer is the good cooling system,the face temperature is below 45°C while working under normal temperature,which enhance the stability of the device.

Meanwhile ,it has the following features:

* 8 antennas for almost all cell phone signals,GPS signals and wifi signals

* With adjustable button to min or max single band

* With car charger, can be used in car directly

* Good cooling system, face temperature below 45°C (working under normal temperature)

* OEM welcomed

Jamming Frequencies:




3G:2110-2170MHZ, GPS:1570-1580MHZ,


4GLTE:725-770MHZ or 790-826MHZ,

4GWIMAX:2345-2400MHZ or 2496-2690MHZ


1,8 antennas for almost all cell phone signals,GPS signals and wifi signals

2,With adjustable button to min or max single band

3, With car charger, can be used in car directly

4,Good cooling system, face temperature below 45°C (working under normal temperature)

5,OEM welcomed

6,Stable capability

7,Could be used in car directly, with car charger

8,Total output power: 20W

9,Full set weight: 4.5kg

10,Power supply: AC 100-240V and 12V cable to car battery (300mm Long)

11,Shielding radius: (10-40) meters at 75dBm (depends on the strength signal in given area)

12,Dimensions: 427*116*60mm

Application area:

  • Can be applied at meeting rooms, conference rooms, trains and bus

  • For some locations of special purpose such as hospitals, gas stations

  • Do field test first to make sure no interference happened to the normal operation of their equipment and instrument


• Adjustable WiFi GPS 2G 3G Cell Phone Blocker Signal Jammer

• AC adaptor

• Car adaptor

• Antenna*8

This product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, Jammerit.

Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.

Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation .

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