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Bennett Avionics






Product Description

When you want to upgrade your radios, one of the common barriers is the cost and hassle of installation. Wouldn't it be great to just slide a replacement right into the existing rack? If you have thought this, you should know about TKM. TKM has developed a special niche in the avionics market. They make only direct replacement radios for common older avionics. This means that the owner of a TKM radio can quickly and easily replace the original radio at no installation cost, while enjoying convenience features such as frequency flip flop, frequency memory, and a bright easy-to-read display. The MX-300 is the TKM radio designed as a slide-in replacement for a variety of 14 volt ARC radios. The most common replacements are the following radios:

  • ARC RT-328D
  • ARC RT-328T
  • ARC RT-528E

If you have an older 14 volt ARC radio, we may be able to supply an adapter that allows the MX-300 to replace it. (Please contact us for price and availability.) This radio is available with either a black or tan faceplate, to better match your radio stack. There is more to the MX-300 than just painless installation. It features:

  • FM Immune (ICAO Annex 10)
  • Simultaneous digital display of both active and standby frequencies
  • Push button frequency flip-flop
  • 10 memory channels
  • 8 watts transmit power
  • Automatic squelch

These are the most common indicators used in MX-300 installations (the same as with an RT-328T installation):

    For VOR/LOC installations:
  • IN-514R VOR/LOC Indicator
  • IN-514B VOR/LOC Indicator (with backcourse light)
  • For VOR/LOC/Glideslope installations (requires an R-443B Glideslope Receiver):
  • IN-525A VOR/LOC/Glideslope Indicator
  • IN-525B VOR/LOC/Glideslope Indicator (with backcourse light)

If they are not already installed with your original ARC NAV/COMM, you may also be interested in a Glideslope Receiver or Indicator to use with this MX-300.

If you have any questions about this item, please click Ask us about the TKM MX-300 NAV/COMM to send us an email.

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