Currenly only below 3 Sanwa TX can support FH-5. They are MT-R, MT-5 and M17.
I am sure you will see Sanwa FH-5 compatible receivers on the market by the end of this month.
The FH-5 compatible receiver is also from DasMikro.
https://www.aliexpress.com/item/1005005644616770.html