Never used - 4-pin JST-style connector (pre-wired for easy installation), 250 PPR (Pulses Per Revolution), 5V DC with 6mm D-Shaft / Round.

Yaesu: FT-1000MP (Mark V/Field), FT-2000, FTDX-5000/9000 series

Kenwood: TS-2000, TS-850S, TS-950 series

Icom: Many IC-756 Pro (I/II/III) and IC-7800 series models