11 Since we are on the subject of Research.. posted 1 year ago by Reborned20 1 year ago by Reborned20 +11 / -0 5 comments share 5 comments share save hide report block hide replies
That's 2.5 GHz and 5GHz. These are wifi frequencies and have been for some years.
Not teh same as 5G mobile signal.
2.5GHz goes further than 5GHz wifi. I switch my 5GHz off just to reduce electrosmog. I don't think I need it.