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The M303 Series Indicator is a single push-button instrument with digital display of the three functions
By automatically selecting the optimum level of squelch and mic threshold TDNR reduces cockpit noise
mounting strap
42 signal at the source
This DC eliminator filter is FAA-PMA approved solution for reducing interference from alternators
Pressure Switch | 60psi 123-03004A3N The M303 Series Indicator isThe pressure switch is specifically designed to stand up to extended duty applications. This switch is factory set but capable of field adjustment. It features a Kapton diaphragm for compatibility with a wide variety of fluids, and various terminations.
