Remote Microphone Speaker PMMN4024

Remote microphone-speaker PMNN4024 is designed for use with portable radios of DP4000/ DP4000E series. Physical characteristics: Microphone type: Omnidirectional, Frame size: Small, Audio connector. Operational characteristics: Volume control: Not available, "Noise cancelling" function: Available. Environmental requirements: Safety standard: UL-TIA4950/FM, Dust - / waerproof: IP54