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[Bowdon]

https://www.ispreview.co.uk/index.php/2018/12/vodafone-improves-uk-4g-and-5g-mobile-coverage-via-manholes.html

Most of the time when a mobile operator wants to improve their network coverage then they install new base stations or small cells in high locations, such as on top of a building, mast or street light. Now Vodafone has decided to go in the opposite direction by installing small antennas “below street level.”

In this setup the operator intends to install a new range of fibre optic connected small 4G antennas (these will later be upgraded to support 5G from c.2020) underneath manhole covers. So far they’ve already installed two types of mobile-enabled manhole covers at their Newbury office and technology centre.

One of these new units is a purpose-built, reinforced unit that is similar in size to a water butt sunk into the ground, and the other uses an existing cast iron manhole cover. They can reportedly carry calls and provide fast mobile broadband access over a 200 metre radius “without consuming much power.”

    Nick Jeffery, Vodafone UK CEO, said:

    “We are committed to providing customers with the best network possible by drawing on our strengths in innovation and strong UK heritage. It is great to be able to use yesterday’s infrastructure – from phone boxes to manhole covers – to deliver the services of tomorrow. This is one of the ways we are extending our 4G services to areas other networks cannot reach, and getting ready for 5G.”

[Weaver]

That’s very very clever. How do they get it to work using or ‘through’ a cast iron manhole cover?

And what happens when the hole gets full of water?