Dual-channel UHF wireless system with the AR299M tabletop receiver, CH88 handheld and CB88 beltpack transmitters, each paired with LM7 lavalier and HS5 headset microphones. It delivers up to 300 ft (100 m) line-of-sight range, 50 Hz–15 kHz audio bandwidth, and a 100-channel scan with tone key and auto mute. Per-channel outputs are dual XLR plus 1/4 inch and 1/8 inch mix; transmitters run on two AA batteries for up to eight hours.