We use the fsr radios with coded scqulech (privacy codes) the work great. Some times you hear others baut you can typicaly find a combination of channel and code that works OK. They are no way as cool as these.
Typical conversation.
"Zurgswife, Zurg, I am at the counter and have the food did you find seats?" - Z
"Yes Zurg in the back, sending Connor to help you find the way, don't forget extra ketchup." -ZW
"Roger" -Z
"You are so strange" -ZW