You have two dongles, internal one and high gain dongle, right?
You can configure both of them to connect to internet.
If you wish connect more than one device to your hotspot network you need change the dnsmasq configuration, edit the following file:
I don't understand well, what is Erle?
If you post here the output of
ifconfig command when you have the two dongles connected I can see your network configuration and provide for you more specific set up.