ESU 59818 LokPilot 5 micro DCC/MM/SX/M4, Next18 NEW in OVP
The versions with Next18 or PluX16 interface are a bit larger with a base area of 13.0mm x 9.2mm, but they also speak for the mfx®-compatible M4 protocol. The LokPilot 5 decoder can be used on analog DC trains.