P25 and NXDN: Commercial Standards in Amateur Radio

P25 and NXDN are commercial digital radio standards used in amateur radio. P25: public safety standard with FDMA/TDMA. NXDN: Icom/Kenwood, 6.25 kHz narrowband, efficient.

Important: Encryption prohibited in amateur radio! Use only unencrypted mode.

73 – your oeradio.at team

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This article was researched and written with AI assistance (Claude, Anthropic). Content reviewed by oeradio.at.

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