Setup wireguard on mango v2

Hi to all, an thanks in advance, i need a hand.
I have a mango v2 ,connect to my provider router, that i want to act as a wireguard server,

i want to connect a peer in the same subnet that act as was connected to my provider router (be reatchable on the lan to host some services) how do i set up this ?

what i have to configure?
can be done on a mango v2?

i have a static ip on the network that host the wireguard server and the ip class is
the network on the peer side have different ip class


first, you need a public IP on your WAN port
check here
and compare with address on your WAN port
if it is same, then you could proceed with setup
find some useful info here