Audio-Technica M2 Manual De Configuración Y Funcionamiento página 12

Specifications †
Overall System
Receiver
Transmitter
Not all frequency bands available in all areas.
Please check with local regulations.
Open range environment with no interfering signals.
Battery performance may be reduced at very low temperatures.
For assistance with multi-band operation or other frequency
coordination issues, please contact your regional
Audio-Technica customer service representitive.
Depending on battery type and use pattern
Limited to 10 mW within 863 MHz to 865 MHz.
Following national regulations.