I had some old Oregon Scientific TP329 PMR radios I purchased from Argos years back when the kids were young and as they were still working thought about re-purposing them as motorcycle units. The biggest issue I has was trying to find a suitable helmet headset as there isn't much information available on the headset connector. I settled for the bike2bike (NCOHM100) headset manufactured by Pama but found that the standard connection was very poor and often the radio just wouldn't go off hook. So, together with my father in-law I worked out a way of soldering the cable directly to the PCB. This has proven to work very well and I now have a small production line modifying friends units for the same purpose.
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