The TKM MX 300 Nav/Comm is designed to replace the RT 328T, RT 308C, RT 328T, RT 328A, RT 528A, RT 328C, RT 528E, RT 328D, and RT 508A. The MX 300 is available in the black face plate shown left or in a beige face plate to match many Cessna panels. The MX 300 operates on 13.75 vdc w/7 Adc max current in transmit.
Note: We do not offer 8130 forms on these units.
760 Channel COM
200 Channel NAV
Digital display with active/standby frequency with "Flip-Flop"
100 Channel Memory
8 Watt Min.
Noise Adaptive Squelch
Two Year Factory Warranty
Frequency Range Comm: 760 channels 118.000 to 136.975 Mhz
Nav - 200 channels 108.00 to 117.95 Mhz
Preselect channel storage capacity - 100
Frequency Stability: +/- .003%, -20C to 50C
Transmitter Power: 8 watts min.
Modulation: 85% min. with limiting at 90%
Sidetone: Adjustable to 20 mw into 500 ohms
Squelch: Noise adaptive squelch with manual override
Audio Output: 5 watts into a 4 ohm speaker; 40 mw into 500 ohm headphones
Demod Output: VOR adjustable from .25 to .75 vrms
Weight: 5 lbs.
Size: 6.7" wide x 3.00" high x 11.75" mounting depth
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.