868MHz Remote Control Blocker , Cell Phone Jamming Device 30 - 100m Coverage Radius

868MHz Remote Control Signal Jammer/30M Built-in Battery Remote Control Signal Blocker

Description:

868MHz is also a frequency point used by commonly used remote control signals. It is commonly used for remote control doors, remote control of car doors, remote control bombs and remote drones. When you are troubled by these signals, you can choose this product. When you turn on the power, the remote control signal in the range of 30-100M will lose its effect. However, please be careful not to use this product when you close the door or when someone closes the door, because we are worried that your car has not been turned off. This is also the drawback of this product, because we are involved in the safety of your safety, but do not want to bring your security risks.

Parameter:

Instructions

1. Open the monitor battery cover and install the 9V battery. Pay attention to the positive and negative of the battery,after the battery is finished, turn the side power switch to on, the monitor is powered on, and press the front button,the blue indicator is on, the monitor emits a wireless signal of 868 MHz. Release the front button, the blue indicator turns off, and the monitor stops working. When using the pull rod antenna is the best when pulled out.

Precautions:

1. Turn off the side power switch when you are not using it for a long time or when you go out for a long time.

2. Please use in a suitable shielded environment, so as not to affect the use of effects.

3. Avoid exposure, rain, water droplets, long-term exposure to high temperature and humidity.

4.The effective range of the instrument is a circular area centered on the main unit. Therefore, when using it, be careful to select the correct position of the instrument so as not to produce a blind corner.

5.This product is sensitive to remote control products. It will shield the remote control signals such as electric cars, cars, remote control doors, access control, etc. Please use it rationally.