Wireless Joint

If no one answers, you may also want to check the facebook group.

I think people have had success with the CB850LP6-NA as well. The mofi4500 is a white labeled zbt we826 with a sierra wireless mc7455 inside, and custom firmware. It can be built for less. Look into it, decide for yourself.

Check ...

Can I ask why you want to change it?

Try Go to "Network -> Interfaces -> LAN"

I must be misunderstanding..... the EXTERNAL ip address is your PUBLIC ip address and is issued by your isp. You cant just change it.