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Motorola RNET 450

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Project25_MASTR

Millennial Graying OBT Guy
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I understand these things are about as old as I am. I also understand that they are crystal controlled telemetry radios. However for the guys that still may remember these, aside from getting the crystals, can I take two of these and make a simple repeater fairly easily? I know it may not be practical but I'm just kinda curious.
 

com501

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These are excellent radios, have pretty much everything you need already ported out including flat audio and PTT. Earliest version were based on the P10/P50 (1w & 5w) portables, and a later version was synthesized and used a GP300 chassis. International Crystal should be a source if you have the crystal version.
 

Project25_MASTR

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Cool that's the bulk of what I needed to know. Mine are the crystal controlled versions (5W I believe). I can't find the service manual anywhere. I'm probably safe assuming the radio can not run full duplex so I'll have to use the two I have, one for RX and one for TX.

Any tune up on them? I think one is close to the GMRS repeater inputs at 467.3 MHz and the other is in 464 MHz range, don't know if that 2 MHz is too far of a stretch without realignment.
 

com501

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TX and RX will need alignment. Manuals should be out there if someone has scanned one. They were produced before any were ever placed on line.
 

cmjonesinc

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I can't find a download but I can find several places to buy the manual. I assume it's service as opposed to operating as I can't find but one. But the number I came up with is Motorola 6880901Z35. Hope that helps some.
 
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