Chris,
You have two problems, neither of which is solvable:
1) The second modem/router would have a different external IP address as the first router. Since RemoteRig
requires the router connected to the radio RRC to be the one addressable over the internet, your RRC
will never be reachable over the internet. This is not a firewall problem, but is caused by the issue known
as "double NAT". The only way around this would be using a VPN. There has been some discussion on this
forum if you search "double NAT".
2) A satellite connection will NOT work with RemoteRig, the latency is too high to make it effective. You may be
able to do some limited SSB work if you can work around the latency, but any other mode would be impossible.
This has also been discussed on this forum, but to sum up, a geosynchronous orbit is 40,000 km, the speed of
light is 300,000 km/s. The signal must travel back and forth twice for total of 160,000 km, not including ground
travel and network latency. The travel time alone requires therefore about 530 ms of latency, plus the other factors
would add another 200+ ms, or a minimum of 700 ms latency (about 3/4 of a second). That is the reason that
worldwide telecommunications has moved off of satellites.
73,
Mitch DJ0QN / K7DX