10-channel mobile phone signal blocker

The 10-channel mobile phone signal blocker is a green and environmentally friendly mobile phone signal blocker, which only blocks the reception of the mobile phone on site and has no impact on the surrounding base stations. This machine adopts 10 channels of output, which can shield all kinds of mobile phone signals in the range of 1-4 meters (depending on the signal strength of the base station) in domestic and foreign mobile phones; contact was completely cut off.

Installation Notes

1. Before installing this device, be sure to install the antenna correctly according to the signs, and then turn on the power to avoid the machine from being burnt out. It can be used in small-scale shielding places such as vehicles, offices, etc.
2. The device comes with a rechargeable battery, which can be recharged and used for 2 hours at a time. It has a battery protection function inside, constant current and constant voltage charging with overcurrent and overheat protection, charging status indication, and charging current detection. If it has not been used for a long time, please pay attention to the maintenance charging every half month.

Instructions

The working mode of this machine is controlled by the power supply
1. Open the box, check whether the accessories are complete, take out the host, remove the antenna protection cap, and install the antenna; the numbers on the antenna are tightened one by one with the numbers on the host.
2. Make sure that the antenna is correct, turn on the power switch, and observe that each green indicator on the host lights up.
3. Please charge for 10-12H for the first time. When charging, you need to observe the charging indicator. If the charging indicator turns off, the charging is complete.