Audio-Technica trådløst system beltpack 656-678MHz

OVERALL SYSTEM Operating Frequencies:  UHF band 856.100 – 864.900 MHz (F Band) 606.500 – 629.900 MHz (U Band – ch.38) 721.500 – 746.375 MHz (G Band) 656.125 – 678.500 MHz (D Band) 487.125 – 506.500 MHz (I Band) Number Of Channels:  10 total Frequency Stability:  ±0.005%, Phase Lock Loop frequency control Modulation Mode:  FM Operating Range:  100 m (300) typical Operating Temperature Range:  41° F (5° C) to 113° F (45° C) Frequency Response:  100 Hz to 15,000 Hz