cellular

For the Velcro-sealing bags, Chait cited the brand Faraday, which sells pouches that block cellular and WiFi signals.

No. The ban also applies to smart watches and other devices that can use WiFi or cellular signals to send text messages or access social media.

When he encounters problems in the north with radio-wave technology, especially in built up areas, he says he wishes he could access the cellular network.

The hubs fitted to smart meters in central and southern regions, receiving the cellular signal, usually have five of these indicator lights.

Another engineer, “Steve” working for a major energy supplier in Merseyside, who has experience of installing meters in homes on both sides of the regional divide, told us it was “far easier to complete a successful installation” in the south and Midlands where he could use the cellular network.