[i.h]

They are the outside broadcast radio links ….. still used despite fibre 4/5 G and satellite .
These are rigged for each programme/ booking
so long as you are not working with wind speed higher than 40 mph.
They are often in the 11Ghz band ….

worth adding that it is probably the next best thing to fibre, given that it operates in licenced spectrum (should be no surprise sources of interference), provides a much better guarantee of performance compared to cellular, and does not have the latency / cost concerns that come with satellite.

you still see a lot of microwave links on cell sites for this reason. in rural areas they might run fibre to a "hub" site and use microwave to get to more remote sites where fibre would be expensive or impractical.

the aforementioned website suggests that a microwave link between Cornwall and the Isles of Scilly is still in use despite a fibre being rerouted there a few years ago as part of broadband upgrades. Presumably retained as a backup in case something hits the cable.