Shakespeare Style 4357-SAM/FM/VHF MARINE BAND SEPARATOREliminate the need for separate AM/FM antennas and operate AM/FM and VHF radios at the same time without interfering with VHF radio performance.Complete with 10′ RG-62 AM/FM cable, 3′ RG-58 VHF cable, and connector installed. Works with all types of marine VHF antennas. Specifications:Type: MiscBox Dimensions: 1″H x 6″W x 8″L WT: 0.65 lbsUPC: 719441400095Quick Guide (pdf)