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Signal Jammer

Jammer Market

SMa-818K200+ High-Power(200) Mobile Signal Jammer

SMa-818K200+ High-Power(200) Mobile Signal Jammer

SMa-818K200+ is applicable to open field, prison, school, force, factory

  • Item NO.:

  • Direction of jammer:

    Directional coverage - standard directional antenna
  • Jamming range:

    jamming radius: 100~500m (-75dbm
  • Frequency band (module) ratio:

    Frequency band (module) power: 50~100W
  • Power supply mode:

    AC IN
  • Optional frequency band type:

    WiFi 2.4G , satellite navigation: Beidou / GPS / GLONASS / Galileo
  • Functional characteristics:

    ● remote control management
product details

                                SMa-818K200+ High-Power(200W) Mobile Signal Jammer

SMa-818K200+ is applicable to open field, prison, school, force, factory, etc.
Open field: 1 or 2 jammers are needed.
Prison: Generally, 4 to 10 jammers are needed, depending on the height and layout of buildings, the size of supervision area and distance of base station.
School: The quantity of jammers depends on the quantity and layout of teaching buildings or dormitory buildings and the distance of base station.
Technical Parameters
A:Jamming Range: Radius of 200~500 meters (-75dBm, depending on the distance of base station in an open field)
B:Transmission Power: Integrated equipment ≥ 250W, 50~75W per channel
C:Types of Mobile Phone Signals:4G,3G(TD/WCDMA/CDMA2000) GSM, CDMA, DCS
D:Other Signal Types: GPS, Wi-Fi, Bluetooth, etc.
E:Output Channel: 5 output channels; each can regulate the power separately (gear regulation)
F:Remote Control: Several jammers are controlled by the management software
Excellent performance of jamming: All 2G/3G/4G signals can be jammed and jamming band can be customized.
Convenient wireless networking: networking is done by wireless communication, and neither installation difficulty nor cost will be increased.
Remote control: done by management software.
a:Remote On/Off
b:Timing On/Off
c:Remote regulation of output power
d:Alarm of door damage
e:Alarm of feeder damage
f:Alarm of abnormal channel output
g:Centralized control of networking
Main Parts          
Detailed Technical Parameters

Frequency parameters can be customized. Typical frequencies are shown below

Band parameter


Operating frequency

Average output power
















Jammer size

720*450*320(protrusions excluded)

Antenna size


Packing size


Whole set weight

75Kg(including antenna)

Ambient temperature


Relative humidity


Power consumption


Power input

AC 100V~240V

Power output

DC 2*27V/13A

Installation mode


Installation height


Enclosure material

Aluminum alloy

Product Details

Jamming System Software

Centralized control of networking

Remote On/Off of the jammer
Timing On/Off of the jammer
Real-time monitoring of jammer’s working state
Remote On/Off of each channel
Remote regulation of channel transmission power
Alarm of channel (module) fault
Alarm of door damage
Alarm of feeder damage
Automatic alarm by email
Rights management: super administrator/general operator

System Application Topology in Independent Unit

Remote Networking Topology

Jamming range is closely related to the signal strength in the field and may be affected by the system of mobile phone.
Factors that affect jamming range include but not limited to: distance of base station, jammer’s orientation, obstacles, wall’s material quality, jammer’s installation height and mode, etc.
Band label on each antenna must match those on the jammer. Antennas must be connected before starting up the jammer.
Installation mode can be wall or pole and the height is recommended to be 3 to 15 meters.
Jammer and antenna must be installed under the lightning rod.
As a high-power jammer, SMa-818K200+ should be installed in 20 to 30 meters far away from the target building, without any obstacle between antennas and the target building.
OEM Customized Service
Frequency spreading can be done for Wi-Fi, GPS, Bluetooth, etc.
Silkscreen OEM service can be offered for five jammers or above.
Neutral jammers can be provided.
Application in Prison

Jammer and antennas are waterproof and available for outdoor installation.
Directional antenna or Omni antenna can be chosen as needed by the field.
Ensure that no base station is located in 300 meters around the jammer.
Can be installed on the roof, wall, or lamp pole.



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Copyright © 2022 NanJing BoKang Electromechanical Technology CO.,LTD.All Rights Reserved.

IPv6 network supported

IPv6 network supported

NanJing BoKang Electromechanical Technology CO.,LTD

Send A Message

Send A Message

    If you are interested in our jammers and want to know more details,please leave a message here,we will reply you as soon as we can.

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