# Supressing Mobile Phones

> In this video I hope to provide a 'feel' as to how a milled block of aluminium, a few short length of copper water pipe and two connectors can help to block mob

- Type: Community update
- Community: [The Things Network Cardiff](https://www.thethingsnetwork.org/community/cardiff/)
- Author: Richard Wenner
- Published: 2019-02-11
- Web page: https://www.thethingsnetwork.org/community/cardiff/post/supressing-mobile-phones

[YouTube video](https://www.youtube-nocookie.com/embed/wMt2aTCmSfA)

In this video I hope to provide a 'feel' as to how a milled block of aluminium, a few short length of copper water pipe and two connectors can help to block mobile transmissions from interfering with our LoRa gateways. There is a link to an on-line design tool to help you design your own.