Ecvv Trade
Shenzhen Sai Tongtian Electronic Technology Co., Ltd.

China Manufacturer with main products: Mobule Phone Signal Booster, Mobile Phone Signal Repeater, Mobile Phone Signal Jammer, Signal Blocker

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cell phone jammer

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Thanks for choosing our jammer for shielding mobile phone’s signal.
In order to be familiar with the operation of this machine as soon as possible, this end-user’s mauual provides, in details, the introduction of product method of use, system set, the points for attetion and variable notices.
The series of Wireless Device Video jammer have been identified and obtained corresponded certificates by the electric equipment testing center of thepubilc security ministy of China, the electric equipment testing cente of Shenzhen City and the protecting product testing center for electro-magnetism leaking of Guangdong Province.
This prduct can be used in any place where Wireless Device video are prohibited to be used!
          Being familiar for use immediately
Now let us introduce this portable Wireless Device video jammer to you and make you better understand about the positions of all the buttons as well as operational alway.
          Top view(output)
 The antenna connectors of  Output power and working instruction LED on the Cover.
Longer White line connect with antenna which are identified by CDMA,GSM,DCS,3G as the indication accordantly, and turn on the power. Green light is on, means the jammr is working normally.
          Left side view(switch)
 Power switch, press the button to turn on the machine.
And the indicator light will be on in Cover Green light.
          Bottom side view(Battery charge)
Red light: when charging for jammer, the indicator light will be on. When the built-in battery is charged full, the indicator light will be off.
A part of the features will be provided for better use of the jammer.
Output Port
Radius range
8-12M  depending on the mobile
service provider’s network condition
930-960 MHz
2110-2170 MHz
Power supply: AC220V-DC5V    Built-in Battery:2000mA/h
Total output Power: 2.7-3watt
          Technical Feature
 Taking use of super-high frequency and mini-power interference technology, high efficiency..
Effectively making subsections. Just interfering downlink and no interception on the base station.
Extreme portability. The weight for machine itself and antenna are just 0.68KG
Low power consumption, working time for machine is about 90 minutes, supplied power by battery.
Slow start up design of circuit. These elements can maintain the stable operation condition with high integration.
Three SMA connectors which are used to connect with anternnaCDMA,GSM,DCS,3G One charging connector.
This portable jammer consists of many subassemblies. They include mainframe(with built-in storage battery), different kinds of antenna, charger. We will make a brief introduction about the main subassemblies’ function.
Omni-directional antenna (CDMA,GSM,DCS,3G).
When connecting the antenna with machine, please be sure to connect as the indication on the machine.
Charger                                                            Car charger:
Charger AC220V/110V input, about DC5V output.
 Be sure to connect all the antenna first before the power supply is switch on. Please do not take off antennae when the machine is working. Anternna shall be used vertical to the ground, working more efficiently.
Please don’t put the jammer in the water and fire to avoid using in the bad, Condition of over-wet, over-hot, high voltage and high magnetism.
If the jammer can not be charged or other unconventionality(i.e. The indicator light doesn’t light up), please contact with the distributor in lacal place. Any refit an incorrect repair is not allowed.
 Any ruin and disrepair caused by incorrect operation and disassembly will excluded from the repair for free of charge.

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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