TCS DP2X-UK-KAC, HO Scale Decoder:
 
This full featured, 2 function, Direct Plug decoder is designed to easily plug into a vast array of locomotives with 8Pin NMRA Sockets. The 8-Pin NMRA plug built directly into this decoder is rotated 90 degrees to allow for easy installation in many UK model locomotives. Included is our auto-adjusting BEMF for outstanding slow speed performance and hassle free set up. Also includes Quiet Drive for super quiet engine performance.

Attached is an harness terminating in a 2-Pin Quick Connector for use with A TCS Keep Alive™.
 
MSRP is $54.95. (Picture courtesy of TCS.)