MAXTOP APCUSB-KM43 FTDI USB Programming Cable for Kenwood TK-5710 TK-5810 TK-5910 TK-6900 TK-690 TK-790 TK-890 as KPG-43 Quality that sells itself: Built-in FTDI Chipset that offers unparalleled flexibility & assurance On-Board Activity LED light  it just helped making your job a lot more efficient! Ease of use with Plug-n-Play [internet connection must be present] OEM of Kenwood KPG-43 Specifications: 1 x round 1-Pin with 3 flush pins connector