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Surveillance Cell Phone Jammer P 4421g Can Be Upgraded To More Than 4 Channels - China

price: contact company for price

Product’s Description:

* Different from the current jammers in the market of RF jamming, this Smart celluar phone jammer has an external debugger, which can set parameter and operate jammer.

* Sending alarm when there is failure with jammer, working temperature supervision.

* Modularization combination, convenient for installation, easy for upgradation to future new communication system by adding module of new communication channel.


* Smart celluar phone jammer with external debugger, convenient to set and operate with jammer.

* Debugger can adjust power level and output power of any channel.

* Any channel can be closed freely

* Smart Alert

* Single module for each channel, easy for upgradation to future new communication system by adding module of new communication channel.

* Working status of each channel can be displayed by LED

* Tracking and collecting working temperature for single channel and displaying temperature.

* Setting upper and lower temperature limits, alerting automatically out of range.

* Frequency more stably and small frequency drift.


Output Frequency Average Output Power Channel Output Power

CDMA 870-880MHZ 38dBm(5W) 7dBm/30KHZ

GSM 930-960NHZ 38dBm(5W) 5dBm/30KHZ

DCS 1805-1850MHZ 33dBm(2W) 1dBm/30KHZ

3G 2110-2170MHZ 33dBm(2W) 1dBm/30KHZ

Power supply: AC/DC 12V-24V or DC5V(optional)

Total output: 13W

Jamming Range: 10-50M depending on the actual signal field strength


Bank, church, cinema, library, Meeting room, Conference Room, Oil and gas station, Prison and Jail, Court, Class room, Testing facilities, police and military purpose, Secret and Security service.

Surveillance Cell Phone Jammer P 4421g Can Be Upgraded To More Than 4 Channels

For any questions and needs please contact us below

Company Contact:

  • Phone: 865925552512

  • Address: RM.701, Suite 74, XIANG LU B district, CHANG HAO Y, XIAMEN, China

  • Email: Email

Published date: September 7, 2012 -

  • Business Description: Founded in 1996, Rodmo Technologies Co., Ltd. is a high tech company mainly engaging in researching and developing, producing and marketing, system solution of intelligent wireless communication products, telecom and security products and other high end RF products. Our technical force and quality of product both stay ahead of the other competitors in the field of RF jamming. Our products, especially remote monitoring jamming system with network administration software have been widely used in education department, military and police, prison and jail, and other national security special occasions.

    RODMO has strong and excellent R&D team, consist of a group of senior professional technicians in the field of RF jamming. We also have experienced marketing sales team which offer the best technical support and after sale service, customizing the optimal system solution according to different clients request, helping clients to reduce operation cost to the utmost.

    We are customer oriented and we will do our best to innovate technology, offering the best products and system solution with high quality and best technical support to create a win win outcome between clients and us.

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