this bit of info comes from our use with the Fiamma F45 and moving away from that style to ... hold on to your hat... a tarp (but a nice one!)
Over ~5 seasons of use with the Fiamma in our native PNW with daily afternoon winds over 20/25mph and having to roll in the Fiamma and then having to go inside due to rain and now no cover, we were done!
We went over to using a Kelty Noah Tarp off a custom side rail on our Chevy and now use the same tarp(s) <9', 12', & 20' models > these are high quality lightweight camping tarps) on the stock roof nubs on the camp side of our HR PM 159. It is so simple (gear ties to nubs) to wrap the tie around and then stake out a pole or two. AND the best part is i've had the tarps in winds well over 35mph and they behaved fine! There is no way i could have pulled that off with any of the commercial awnings on the market.
Just something to keep in mind during the research. Nearly every style (including the batwing/foxwing 270) will state there is a typical wind limit of ~20mph and you should take them down. I've seen my share (we full time) of RV awnings ripped off or destroyed due to being deployed in winds.
our chevy with the smaller 9' Kelty Noah during fair weather over the camp kitchen area (to keep pine needles away, if weather had been an issue we would have used the larger size(s) that go all the way forward on the rail)...
Thom