The MX 300 Series NAV-COMM is designed to directly replace the RT328T and similar units.

In most cases the MX300 will directly replace the RT308C, RT328A, RT328C,RT328D, RT328T, RT528A, RT528E and RT508A.
With a special adaptor (MX300/540) the MX300 will replace the RT517, RT540, RT514R, RT515R and RT515A-1.

TKM products were developed to provide high quality slide in replacements for many of the older Nav/Com's at an affordable price.

The MX series radios provide a direct plug-in replacement so that no installation modification is required.

All MX radios feature 760 channels with active and standby displays with flip-flop capability and memory storage for both Nav and Com frequencies.

All TKM products come with a Two year factory warranty.

• Frequency Range:
  • Comm - 760 Channels 118,000 to 136.975
  • Nav - 200 channels 108.00 to 117.95 MHz
  • Preselect channel storage capacity - 100
    
• Frequency Stability: +/- .003% -20C to 50C
• Transmitter Power: 12 +/- 4 watts min.
• Modulation: 85% minimum with limiting at 90%
• Sidetone: Adjustable to 40mw into 500ohms
• Receiver Sensitivity: 1.vuV (soft) for 6db s + n/n or 1/2 flag Nav
• COMM Selectivity: 3db @ +/- 7.5 KHz; 50db @ 17.5Khz; 65db @ +/i 25 Khz
• NAV Selectivity: 3db @ +/- 15 KHz; 50db @ +/- 35Khz; 65db @ +/- 50KHz
• Squelch: Noise adaptive squelch with manual override
• Audio Output: 5 watts into a 4 ohm speaker; 40mw into 500ohm headphones
• DEMOD Output: VOR adjustable from .25 to .75vrms
• Weight: 6 lbs.
• Size: 6.25" wide x 2.88" high x 11.75" mounting depth including mounting tray
  

MX 300T - Tan

MX 300B - Black

FlightCom 403d Stereo Intercom & Voice Recorder
This stereo intercom offers exactly what a pilot wants...clear communications. It's voice activated and features a 32 second Digital Clearance Recorder. It also offers 6-place capability, instant muting and pilot isolate. What more could you ask for?