programmer

I have an EDACS Provoice LPE-200 as well as what I believe to be a Ribless cable (staring to doubt if its actually one) im trying to connect it with Programmer R18 & I keep getting an error '' could not initialize radio, make sure its in programming mode'' any suggestions? -The radio is in...

I program radios for my vol. fire dept. I have 3 different models of portables to work with right now. All 3 support two tone paging which is what I need. I have programmed the RPV16 with no problem and the HYT TC-780 with no problem. But the pesky RPV599a plus just does not want to finish...