Question: are all walkie talkies compatible?
Answer: While many people think that two different walkie-talkie brands won't work together, these simple steps will show you how to get them to “talk.” Set your walkie-talkies to the same channel. ... If your walkie-talkies won't communicate on the same channel, check for CCTCSS (or Continuous Tone Coded Squelch System) blocking.