M1 Cables & Wiring Harnesses Serial Cable to Convert USB to RS-232 ELK-USB232 USB Cable for C1M1 Communicators ELK-USBCM 4-Pin Ribbon Cable ELK-W018B M1KP/M1MKPB Wiegand Reader Wiring Harness ELK-W035A M1KP2/M1KP3 Proximity Reader Wiring Harness ELK-W039A Serial Ribbon Cable ELK-W040A Dual Battery Wires for E27 or M1 Controls ELK-W119
