Lectrosonics M2C-L, Active Antenna Combiner, Combines up to 8 RF output signals from transmitters to feed a single antenna, Frequency range: A1B1 (470 to 614 MHz), Highly resilient components minimise intermodulation products, Up to 100 mW input on each port, Efficient architecture for low power consumption (60 W), USB port for firmware updates, Front LEDs indicate active channels, 8 BNC inputs, 50 ohms, BNC output 50 Ohm, Dimensions (W × H × D): 483 × 45 × 241 mm, Weight: 2.381 g