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DM3601 (Xpr4550) and RMN5127?


Aug 9, 2023

I've recently got my hands on an old but mint DM3601VHF to be used in a private radio system with permission. Unfortunately the mic was missing, I'm suspecting that the previous user upgraded and decided to keep the mic in this case.
I'm looking at getting a brand new mic, from an EMEA reseller.

Problem is that I need the DTMF functionality, so the straight option would be to find a RMN5065 (DM3 keypad mic) which is unfortunately discontinued and is really hard if not impossible to find in EMEA.
The RMN5127 (DM4) is however available but is not officially compatible, altough some sites list it for the DM3xxx series. Navigation functions are irrelevant as the radio control head is close by the intended place of operation so if only DTMF works that would be splendid.

Can anyone help me shed some light on if this could work?
Thanks in advance!


Jun 17, 2012

DM3601 is Gen1 radio.
RMN5065 would only work on Gen1 radios.
RMN5127 will work on both Gen2 and Gen1 radios.