SONY Dual channel UHF Radio Microphone Set 3x WRR-862 Dual Channel Uhf Receiver and 13x WRT-8B Personal Transmitters.

2x AN-820A UHF long range antennas included.

The receivers can be powered externally vial a dc hirose socket or internally via 4 aa batteries.

The frequency range is 838.025 to 862.000Mhz

(microphones not included)