Motorola radius sm50 software

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Why Donate? Ic f issues By Azon 6 comments Last post: 11th January Radio Equipment For Sale Moto cps for sale? We have a consumption of 1. The Radius SM50 can be programmed using this cable or this cable. If you ask me, I will always choose the Jiykr cable because it supports more brands and models than the specific for Motorola. The only drawback is that programming this radio is not simple as programming other brands.

The concept seems to be very different, and it takes time to understand the programming software of the Motorola SM Like many Motorola radios of that time, this one also uses mini-UHF antenna connectors. Unless your antenna has one of this male connectors, you will have to get an adapter. You can find it on amazon. This adapter allows you to connect almost any amateur radio antenna. And just because we are on the back of the radio, in case you have a broken power cable, get the the replacement here.

As many radio manufacturers, Motorola created an identification method for the different models of the Motorola SM To identify the model of your Motorola SM50, first you will have to take a look at the label placed on the bottom of the radio.

Thanks for the response! If someone gave me a box full of these that were used, I'd toss em. For most of us, these products were ones we'd rather forget. Joined Jul 27, Messages 17, Location Pt. MTSdes said:. I cut my teeth on "repairing" these at the first shop I worked for in the mid s.

The GE's were fairly decent and didn't see us that often. The SP50s were such crap, the battery covers easily came off, the radio itself had poor build quality and the two pin accessory connectors broke off the boards, bad volume pots, mediocre RF performance.

Yep, I was a supervisor for the crew, so I kept one of the better P's as my own. Had a few in the mids at a tour company I worked for. Totally worthless even when new. We replaced them with HTs which were virtually indestructible. Still have one and it still works. Joined Apr 13, Messages Location Connecticut. Figure the prop department would at least not let federal agents use a cheap bottom of the barrel radio for their main source of comms haha.

It was a cheap radio, that's why it was so popular in the late s. Cheap, disposable. The only redeeming value is the 2-pin accessory connector shared commonality with the Spirit jobsite radios. Same thing with the stupid blister pack batteries. Cheap radios, cheap accessories. The circuitry underneath is mostly stuff that would be on the Logic board of a MaxTrac microprocessor and audio processing. A vertically-mounted display board attaches to a connector at the front of the main board.

Here's what you can see inside. The SM The location may vary according to the version of software, so it's best to search for the hex values Intel byte order rather than for me to tell you to change bytes at specific addresses.

Remember to make a backup copy of the MDF file first; better to have it and not need it than to need it and not have it. Select the "Checksum bit " routine for the checksum and verify that it's the same after you've finished hex-editing the file. Search for the four hex byte sequence 94,11,5C, You should find three occurrences of these values. The 94,11 corresponds to a decimal value of and the 5C,12 corresponds to a decimal value of These are equivalent to Change these three sequences of hex bytes to 30,11,C0,12, which corresponds to decimal values of and By simultaneously increasing the value at one location and decreasing the value at another location, the MDF file's checksum remained the same.

Save the results and you should be good to go. They can be similarly changed. Just make sure you increase the upper limit by the same amount you decrease the lower limit, to keep the checksum correct. You can extend the range down to After a programming session, the radio displays "FF" and it won't transmit at all. Cycling the power or rewriting the code plug doesn't fix a thing. Apparently the "FF" indicates the radio did not exit programming mode properly.

Information for this article came from direct examination of a watt UHF SM50 radio plus perusal of the above two manuals. I also changed my radio from 2. Mike WA6ILQ asked several questions, which required additional research and several additions to the article, and also pointed out a couple of errors.

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