Model Number: IFR FM/AM-500A

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    Communications Service Monitor

    To view click here: Standard Warranty Policy  FM/AM-500A Data Sheet  FM/AM-500A Operation Manual

    Aero Express will buy, sell and trade the FM/AM-500A depending on your needs.  The FM/AM-500A is a communications service monitor that gives you the performance, field portability and durability you need in a value-priced and compact package.


    • FM and AM Signal Generator
    • 2 µV receiver for AM, FM and SSB
    • 10 Hz to 999.9 Hz variable audio generator and audio frequency error meter
    • 1 kHz audio generator
    • Frequency error meter with 1 Hz resolution

    90 Day Warranty


    Express Calibration is an Authorized ISO-17025 Calibration and Repair shop for the IFR/Aeroflex FM/AM-500A.  Visit for full capabilities.

    All units will be sold with a current calibration certificate. If factory new, a manufacturer’s Certificate of Conformance (C of C) will be provided.

    Since its inception, Express Calibration Services has supported Aero Express’ endeavors in providing test equipment support services.

    They perform calibrations for General Aviation, Corporate Aviation, OEMs, FAA Repair Stations, Military, as well as Regional and Air Transport Airlines. Express Calibration Services offers their services when you have a requirement for calibration or repair of your test equipment