Back to main Back to accessories Next accessory Last modified 2021-03-15 Yaesu YH-1 Type: Headset Max input power: ? mW Sensitivity: ? dB/mW Impedance: Speaker: ? ohm Microphone: ? ohm Frequency response: Speaker: ?-? Hz Microphone: ?-? Hz Dimensions (W*H*D): ? mm (?") Weight: ? g (? oz) Manufactured: Japan, 198x-199x (Discontinued) Other: Related documents: Modifications: Reviews: Applicable radios: FT-211RH FT-212RH FT-290RII FT-690RII FT-711RH FT-712RH FT-770RH FT-790RII FT-912R FT-2200 FT-2311R FT-4700RH FT-8000R FT-8100R And possibly other radios...