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SESK: Stuff Everyone Should Know · sesk.info/ham-dmr-code-plug

What is a DMR code plug?

Configuration data loaded on a radio for repeaters and talkgroups.

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  1. An adapter cable linking a DMR radio to a computer
  2. Configuration data loaded on a radio for repeaters and talkgroups ✔
  3. A CODEC that converts analog voice to DMR

Why: A code plug is the setup file for a DMR radio. It holds the repeaters, talkgroups and other settings you need to get on the air.

Huh, didn't know that: Hams often share code plugs for their area so newcomers can get on the air faster.

The dad joke
I asked for a code plug and got a cable. Wrong kind of plug.
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References

Answer: Configuration data loaded on a radio for repeaters and talkgroups. A code plug is the setup file for a DMR radio. It holds the repeaters, talkgroups and other settings you need to get on the air.

  1. HamStudy 2026 Technician pool, T4B07 hamstudy.org/browse/E2_2026/T4B
    Configuration data loaded onto your radio to access repeaters and talkgroups
    Checked 2026-10-09.

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