UHF transmission with 48 channels · A or B channel group for selection · Compatible with BY-WM6 Receiver and BY-WM8 Receiver · Auto-Lock Prevents Accidental Adjustment · OLED Display · Locking XLR & 3.5mm TRS Inputs · Operation range can reach up to 100m · Selectable Mic, Line Input, MIX Input · Powered by one Two AA Batteries Channel group: A or B Carrier Frequency Range: 576.4 MHz-599.9 MHz (Channel group: A ) 568.6 MHz-592.1 MHz (Channel group: B ) RF output power: ≤10 mW Audio input connector: XLR Operation range: 100m (without obstacle) Dimensions: 5.7×4.55×11.69cm Weight: 162g (without batteries)