Hi all, I would like to listen to a business near me who uses motorola DTR 700 radios, I have the talkgroups that they use. If i bought my own and programmed in the same talkgroups, would I be able to listen?
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How to listen to motorola DTR transmissions.
- Thread starter thecanadiangod
- Start date
That depends if they are using encryption. The DTR radios have basic public channels and Private ones that they can set with encryption. So only their radios work together.
Its frequency hopping last time I checked.
Correct they have frequency hopping but if the OP buys a DTR and they are just using the public channels he can monitor them.
Yea they don't use public channels , they use talkgroups that they set up, though they still use the same frequencies, the hopsets are diffrent, What im asking is If i programmed in the same talkgroup ID's as they have, will that automaticlly set me to the same hopset as their radios?
It’s been a long time since I opened a DTR code plug. I can monitor some “Adult Clubs” here in Vegas on public channels. I have the DTR 650’s. So to answer your question I’d say maybe it will work.
The DTR700 has a four digit code that protects subscriber units programmed with that four digit code. If they have implemented that, then you will have to mirror that setting in your configuration. There is an option to change that from the subscriber unit GUI in the CPS.
devicelab
Whacker Extraordinaire
As kv5e said, you'd have to either A. get their Profile ID code or B. get lucky in that they use 0001 -- which is the default code. You don't need the TGIDs in this case as you'll hear everything that's public. You can initiate a private call to a specific user.
There is no encryption with DTR -- it's just the FHSS technology and the 'private' code feature. You'll be amazed at how many users stick with the default ID though.
