OK. So I bought two of these:
For my son and I. They are dual band. I can push one button and speak to the first chosen channel, the second let's me speak to the second chosen channel. Here is where I am lost. When we set the radio on 2 different channels we can hear and transmit to each other but we cannot hear or talk to any other radios on the same channel. I am stumped. We tried changing channels. We tried putting both bands on the same channel but no matter what I did we could not communicate with anyone else. Just the two of us.
Thoughts, ideas, things to try would be welcome.