CH-1-xxx can be used with all Heil handheld mikes with 4 pin XLR connector (Goldline, GM, Handimic). Coil cord approx. 15inc coil, 14inc straight. These cables are available with 8 pin round or modular plug for various rig types (Icom, Kenwood und Yaesu). The cables with 8 pin round connector have a connector for a PTT foot switch (6.3mm phone jack, like CC-1-xx), the cables with 8 pin modular plug dont have this connector. CH-1 I is a mic cable with 8pin connector for ICOM rigs.