wtb external georadio 2.4ghz for a Trimble DR200+
They are hard to get repaired and with Parani's available are really not worth fixing. See this of many many threads https://rplstoday.com/community/surveying-geomatics/parani-yet-another-thread/
Just last week I flipped out my homebrew 433MHz radios and replaced them with Parani's. I kept the same power supplies and boxes and mounts, so it took me (only) about 8 hours to get up and running. Sweet. During the process I kept thinking whether I was performing the last Parani conversion known to mankind - maybe not.