Description

You may need a licence to use this microphone.

Please see photos.

https://www.fcc.gov/wireless/bureau-divisions/mobility-division/wireless-microphones

Sale of 600 MHz band Wireless Microphones.  Going forward, anyone selling a wireless microphone or other device designed to operate in the 600 MHz wireless service band (617-652 MHz / 663-698 MHz) will be required to notify buyers at the point of sale that the device may no longer be used after July 13, 2020, and that users may be required to cease operation earlier if using the device could cause harmful interference that disrupts wireless communications for new service licensees.  See DA 17-709.