EU models the 5.8ghz is 25mw think the US version is 125mw that's for your FPV, but if you are after distance it's not the only factor, remembering in the UK you must be able to keep your H within your eyesight capabilities
And No if you have a EU model that is what it will remain...for now. I think the 2.4mhz is at 100mw, however with these antenna modifications you can increase the db to obtain more gain. The Horizon LHCP pushes the 2.4ghz to 9db and the 5.8ghz to 14db ... Wether it is legal or not I don't know, even though "I don't know" isn't a valid defence in court ☹
As I recall, there are some different channels used on EU vs Standard. If you use the incorrect version you may not get communication with the controller.
Horizon do these Yuneec Typhoon H LHCP I have ordered the 14db upgrade. I dont really require more range as I have been out to 3700' and to be honest I cant see much more need than that, but I am hoping to get better wifi connectivity, not sure if it will accommodate this but I will see. It arrives Friday.
There is also this camera kit Yuneec camera kit
which looks a little weildy but may well do the job with camera connectivity.
Are the New Antennas any good?
It arrives friday but the post by JCFlippen would indicate so. I too don't really want to fly out of sight it is more for connectivity reliability (I hope)