Pulse Larsen GPSNMO01 1575.4 Mhz Low Profile GPS Single Band Antenna - White Fire Radio Ear Insert Eartip Ear Plug A microphone receives the sounds

A microphone receives the sounds outside of the headset and transmits them to a speaker inside of the headset

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Pulse Larsen GPSNMO01 1575.4 Mhz Low Profile GPS Single Band Antenna - White Fire Radio Ear Insert Eartip Ear Plug A microphone receives the soundsWhite GPS NMO, 1575. 4 MHz. The Pulse Larsen GPSNMO01 is a White Low Profile Omnidirectional GPS Antenna operating at 1575. 4 MHz with NMO Mount Base *This Antenna Requires a NMO Mount. The Pulse Larsen GPSNMO01 is a White Low Profile Omnidirectional GPS Antenna operating at 1575. 4 MHz with NMO Mount Base. This antenna features a hemispherical RF pattern, has a right hand circular polarization, is rated for 5 Volts DC input voltage, and offers 28 dB