Cobra MicroTalk PR3100-2DX 8-Mile 22-Channel FRS/GMRS Two-Way Radio (Pair) Push-button access to 7 GMRS/FRS channels, 7 FRS and 8 GMRS channels -- 22 in all 38 privacy codes, for a total of 836 private sub-channels when combined with the 22 channels Scan open channels, privacy codes or the channels in memory to locate conversations in progress VOX voice detection transmits your voice without your pressing a button Selectable Roger Beep tone indicates when it's clear for others to talk(can be deactivated)