M17 Protocol Specification

Part I - Air and IP Interface:

• M17 RF Protocol: Summary
• Glossary
• Physical Layer
  • 4FSK generation
  • Preamble
  • Bit types
  • Error correction coding schemes and bit type conversion
• Data Link Layer
  • Packet Mode
  • Stream Mode
• Application Layer
  • Encryption Types

Part II - Codeplug:

• Recommendation for the codeplug structure
  • Introduction
  • Codeplug file structure
  • Example Codeplug

Appendix:

• Address Encoding
  • Callsign Encoding: base40
  • Callsign Formats
• Decorrelator sequence
• Interleaving
• M17 Internet Protocol (IP) Networking
  • Standard IP Framing
  • Control Packets