6 layers17 × 10.9 mmD16git4dcc/RTB_D16DCC / Railcom decoder (NEM651, single sided)43 parts2Apache-2.0
6 layers15.2 × 9.5 mmD21git4dcc/RTB_D21DCC / Railcom decoder (Next18, double sided)48 parts1Apache-2.0
6 layers15.3 × 11.4 mmD22git4dcc/RTB_D22DCC / Railcom decoder (Plux16, double sided)48 parts1Apache-2.0
6 layers17 × 10.9 mmD24git4dcc/RTB_D24DCC / Railcom decoder (NEM651, single sided), WS28xx53 partsApache-2.0