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8 Antennas Hidden Remote Control 3G VHF/UHF Mobile Phone Signal Jammer EST-505K8

SKU: #001 - In Stock

  • airport Shipping:  International shipping available
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  • chip Discount:  Get 2% discount on orders of USD $100.00,Get 3% discount on orders of USD $200.00
  • compass Handling time:  Ships within 3 business days after receiving cleared payment
  • available_updates Returns:  7 days money back guaratee,buyer pays return shipping

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EST-505K8 is a powerful mobile phone signal jammer adopted with advanced technology, with 8 custom-able omnidirectional bands, can widely block mobile phone and Walkie-talkie signal frequency such as, CDMA/GSM/DCS/PHS/3G/VHF/UHF, etc., within 1-40 meters radius. Creating a shielding area to avoid information leaking and hacking activities, protect your information security and fulfill your high confidentiality requirement. Also suitable for places where mobile phone using is prohibited. EST-505K8 is able to install on wall, the surface is also custom-able, which allows the jammer be hidden in open situation, suitable for specific places require mobile phone signal jamming services.



Frequency Bands Output Port Frequency Range (can be customized)
Band 1 CDMA 850-894MHz
Band 2 GSM 930-960MHz
Band 3 DCS/PHS 1805-1990MHZ
Band 4 GPS 1500-1600MHZ
Band 5 WiFi 2400-2500MHZ
Band 6 3G 2100-2200MHZ
Band 7 VHF 135-175MHz
Band 8 UHF 400-470 MHz

-Colour: White, Black

-Antenna: 8 built-in omnidirectional antenna

-Jamming Range: Radius 1-40 M【the Cellular signal must ≤-85dBm in the location】

The jamming radius still depends on the strength signal in given area

-Single output power: +37dBm / 5W±200mA

-Safety regulation: AC adapter UL (E190582)

CSA (LR112971 Level 3)

-Working Power Input: AC110V-240V

-Dimension: 400(L)×300(W)×160(H)mm

-Full Set Weight: 6.5 KG

-Working Temperature: -10 to +55℃

-Relative humidity: ≤90%(RH)

-Air pressure: 86~106kPa



(1) Stationary mobile phone jammer, with 8 bands frequency, is able to block mobile phone signal in a wide range.

(2) Extraordinary cooling system, with 2 cooling fans inside and a powerful heat dissipation aluminum plate.

(3) Can continuously working 24 hours, low noise when working.

(4) With antennas inside the jammer, EST-505K8 could be hidden in open situation.


Operation instruction

(1) Open the package and take out the devices

(2) Connect with electricity with AC adapter, turn on the switch, if the indicators lights on, the jammer is working.

(3) If the performance of the jammer is not reach the standard, it means the angel of the jammer’s position is not in the right places. Please do not install the jammer point to the signal base station.

(4) The valid scope is a round space spread from the main unit, to achieve maximum efficiency, please put the jammer in the center.

(5) Please keep the jammer away from the electromagnetic and heat sources to achieve maximum efficiency and ensure stable longtime operation.

(6) After using, please switch off the jammer for normal usage of mobile phone.

(7) While using the jammer outdoor, please avoid water and damp.



(1) This jammer needs no special maintenance.

(2) For storage, please avoid caustic gases and liquids, and make the jammer dust-proof and moisture-proof, to prevent the aging of the inside components be accelerated.

(3) For storage, please contain the jammer in dry and ventilated places, avoiding salty mist and noxious gases.

(4) The warranty period is 12 months. The jammer is repaired free of three years charging, and maintained for life. Only need the buyer to pay the shipment fee.


Application situation

Conference room, school, jail, home, hotel, residential area, government building, military base, etc. For organization and personnel who require for information security and high confidentiality, also suitable for places where mobile phone using is forbidden. In addition, for places where demand special outfit or hidden jammer in open area.


Packing list

(1) EST-505K8 main unit   1pc

(2) AC power cable        1pc

(3) User manual (optional)  1pc

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