Shakespeare - SRC-35 RG-58 Cable Kit for SRA-12 & SRA-30 - 35' - SRC-35. For longer cables runs, pick the appropriate length Shakespeare SRC Series cable kit for your installation. Connectors come pre-installed on all cables. These cable kits must be run as a single piece and cannot be joined together.. SRC-35. Size - 35 feet. Marine-grade RG-58