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Collins AMR-350 Audio Marker P/N 622-2087-001

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  • Audio/Marker Panel providing the functions of marker beacon receiver, audio control panel, and isolation amplifier
  • AUTO switch to simplify switching functions
  • Independent audio control of NAV and COMM
  • Automatic dimming of marker lights
  • Marker receiver HIGH and LOW sensitivity control for en-route and approach flight
  • Automatic muting circuitry to prevent acoustical feedback when transmitter is keyed
  • International model with an input for HF transceiver available (see table below)
  • Model has flat metal switches
  • Models has EXT selection




1.575"W x 1.05"H x 2.70"L


0.15 lbs.

Temperature range:

-15 to +55C (continuous)


30000 (operational)


C35d, Class A, category DAPBAAEXXXXX DO138

Power Requirements:

power supplied by AMR-350/350H audio/marker panel or MKR-350 marker receiver



Serviceable FAA/145/SV/8130-3


AMR-350 Audio Marker

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  • AMR-350 Audio Marker

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