External Module Protocols¶

PPM¶

PXX (FrSky XJT)¶

ACCESS (FrSky RM900 ACCESS)¶

DSM2 (Spektrum hacked module)¶

125000 bauds 8N1 - No parity

SBUS (Normal mode)¶

100000 bauds - Inverted - Even parity

Multimodule¶

100000 bauds - Even parity - 2 stops bit

Crossfire¶

400000 bauds (or reduced depending on radio capabilities) - Inverted