The Reviser RT dual-band digital walkies-talkie, up to 3000 channels and vou can add 100,000 contacts. Cover the frequency range of 2m and 70cm bands ; You need not cant two radios when traveling. DMR radio beginners, Model RT HD1 Frequency 2m 70em 2m 70cm 2m/ 70cm Lis Yes Yeu NO Interpolate NO ike? ipa? | Global Leader in Two Way Communicate We are engaged in the full application of walkies talkies. creating benefits for more scenarios to use walkies-talkie.