Custom Built 440, GMRS, or UHF
Motorola MICOR Repeaters
by Repeater Builder

MICOR UHF mobile converted to UHF Commercial, GMRS or 440 ham repeater.
Items supplied with basic repeater:
This is a conversion of a mobile radio to a repeater.  A separate receiver RF connection is added to the front panel.
A length of heavy duty power cable (red/black) is supplied for the power cord.  A variety of interface options (DB-9, plain old wire tail, barrier terminal block) are available for connecting an outboard controller.  This repeater can also be built to include an NHRC controller.  The addition of a NHRC controller makes a really nice package and the repeater basically becomes 'plug-n'play'.  No duplexer is supplied.

The MICOR UHF receiver requires modification of the oscillator multiplier for use below 445 MHz in the ham band.  This modification is done if the unit will be receiving on or below 445.000 MHz.

The information in this site would be used to convert the radio to full duplex:
MICOR repeater conversion.

The repeater will require a 35 amp Linear Astron Power supply or equivalent just to run the repeater.  If an add on RF Power Amp is going to be used, please allow for the additional current consumption accordingly.  Astron's are good because of their over-voltage protection.  We don't recommend switching supplies on repeaters.

  • Prices below include receiver conversion for operation from 440.000 to 470.000
  • Basic MICOR Mobile radio 25, 45, 75 or 100 watts, converted to repeater $650.00
    (25 watt units are great for driving an add on amplifier)
  • All sales subject to the Terms outlined in this linked page.

  • NHRC-3+ controller w/voice, installed, add $200.00
  • NHRC-4 linking controller installed, add $190.00
  • Additional controllers / controller connections available upon request
  • Reed type (original equipment) PL encoding and decoding available.  $35.00 for decode, $25.00 for encode.  (not all reed frequencies always available)
  • If programmable CTCSS (PL) decode is desired, the Com Spec TS-64 DS is available installed, add $75.00  (DS = Dip Switch frequency selection)
  • Temperature Compensated channel element for TX and RX (1 element) from Bomar, add $35.00 
  • A TS-32 option is available for those who don't need Reverse Burst, add $50.00
  • PL encode on the repeater transmitter available for $15.00 additional if TS-64 option is installed.  (encode can be made to follow COS on the TS-64)
  • Preamp.  We have had excellent results with the Ramsey UHF preamp kit.  These will add an additional 5 to 6 dB of usable sensitivity.  These can be mounted inside the radio set.  This option is available built, installed, and tuned, add $45.00
  • We also convert user supplied radios.
    You can deduct $100 from the stated price of the repeater as referenced above if you ship your working radio (with Channel Elements) to us for conversion.

    Thanks for your interest in our custom built repeaters.  Let us know if we can help you out.

    Phone Scott @ (814) 444-9460
    (Weekdays during normal business hours)

    or email Scott at:
    Email Scott

    Copyright ©   2001  N3XCC

    Last updated: 9/6/2004 MSZ