cdm 1550

  1. T

    CDM Help with CDM-1550LS+ (6AN model) Message and Status Decoding

    Alright, so I have a setup of some HT-series portables, which notably includes an HT1250s that I recently programmed to be able to transmit MDC statuses and MDC messages. I have a CDM-1550 LS+ (the 6AN model) as a base station that I operate on only conventional channels. Now, on both the HT1250...
  2. KN6FCR

    CDM Professional Radio CPS - MDC Signaling Greyed-Out

    Hi everyone. Currently trying to set up MDC1200 on a couple radios. Came across the signaling menus when trying to edit a conventional personality being greyed out. Find it strange since I could configure a mdc call list and edit some options. But I cannot apply it to a channel. Weird. I'll put...
  3. KN6FCR

    CDM Motorola CDM1550LS+ Programming Help

    Hey everyone! So I’m trying to program my CDM1550 and I keep getting the error saying it can’t find the radio in the COM port even when I select the correct port that’s stated in device manager. I’m using a programming cable I bought on eBay as well using a windows 7 virtual machine which I...
  4. KN6FCR

    CDM CDM1550LS+ Remote Mounting Question

    Hey everyone! Recently purchased 2 Motorola CDM series radios inside 2 vehicles. I’d like to remotely mount one of them. Problem is that the radio is not technically the remote mountable version of that radio. Would it be possible to buy a remote control head plus the proper cables connect it...
  5. K2NEC

    CDM ghost invalid fields??

    I have a CDM1550LS+ (403-470) that I converted to (403-480) and when I go to write to the radio it shows that there are invalid fields. When I check the invalid fields there are none! Anyone have this issue before or know a work around? My CDM does it no problem but this one is just picky! And I...
  6. curtisdevault

    Remote base question

    I am researching ways to do remote base functionality with a Motorola CDM1550. This is for a SAR application. We have two towns we’d like to establish radio comms with from the first There is no line of sight so remote base or RoIP are what I think the options are Ideally we’d like two control...
  7. N

    CDM 1250/1550 squelch adjustment

    Hi, I have a LB CDM1550 radio that has its squelch set too tight. The squelch breaks at ~-111dBm or .63uV. I need to readjust the radio so squelch opens at ~-120dBm or .21uV. Using a comms tester I read the radio using Moto's Tuner app (admittedly I have only used CPS in the past and have no...
  8. M

    RUGGED Motorola Tactical Repeater

    Hi, Just wanted to show the repeater project im working on. Im open to any questions or advice. I also encourage others to show what setup they have. I would consider items that would be posted in this forum to at least meet the following requirements: 1. Any home made repeater system with a...
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