功能

• It can be d without a license or qualification.
• When the specified low-power radio unit and the recording/playback unit are d together, a contact signal is received and the specified low-power transceiver is automatically notified by voice.
• When a specified low-power radio unit is placed in a good vantage point and d in conjunction with a radio unit controller, radio waves can reach remote offices, clean rooms, etc., where radio waves have not yet reached, and can be d as a fixed transceiver.