I should also have asked what number of pins.
I notice the ESU lokpilot v5 seems to be available in in a number of sizes
59610 LokPilot 5 DCC/MM/SX/M4, 8-pin NEM652
59612 LokPilot 5 DCC/MM/SX/M4, PLUX22 NEM658
59616 LokPilot 5 DCC/MM/SX/M4, 6-pin NEM651
59619 LokPilot 5 DCC/MM/SX/M4, 21MTC NEM660
59649 LokPilot 5 DCC/MM/SX/M4, 21MTC MKL
Thanks
Peter