The article is absolutely riddled with errors and inaccuracies. Just look all over aviation bulletin boards, FB pages, etc. for detailed descriptions of everything wrong with it. If the BBC is stupid enough to run that on Look East tomorrow, there's going to be a bit of a public shouting match.
A transceiver is of-course a radio!
Electronic Conspicuity devices are now widespread, the two most common being FLARM and PilotAware.
CAA have been trialling some other technologies, with a higher certification standard, but lower functionality. Some of those are just starting to enter the market. In the meantime, latest guess is around 2,600 PilotAware devices out there.
Here's the article incidentally:
https://www.bbc.co.uk/news/uk-45394789
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