Collection: 4 Bands Cell Phone Blocker

4-band interference can generally have 2-3 types of interference signals, and the interference range is about 10-15 meters. This type of cell phone blocker is very popular in small-scale business places such as restaurants and hotels. It is generally portable and is mainly used in various examination rooms. , schools, gas stations, conference centers, hospitals, prisons and other places where the use of mobile phones is prohibited. The signal interference radius can be adjusted, and the coverage area is large. When using the wireless signal jammer device, in order to avoid the wireless signal jammer from causing interference to some electronic equipment, it should be kept as far away from the following commonly used equipment as possible: stereos, wireless microphones, radios, computers, TVs, Wi-Fi routers, etc.

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    We process orders within 1-3 business days. Keep in mind that we’re closed on Sunday and national holidays.

    Once your order is processed, and is ready for shipping, you will get a tracking number and estimated delivery date.

    Once your order is shipped, it will be delivered to you within 10 days!

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    If you have any questions about our products and services, you can contact us by email topsignaljammer@gmail.com, or you can communicate with us through the chat software at the bottom right of our website, we will reply to your message within 24 hours , and take care of your questions!

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