Reliable Quality Modular Duplex Adapter 1.High quality. 2.OEM is available. Reliable Quality Modular Duplex AdapterThree U.S.modular plug One is single modular jack, Two are DualDimension:26x21x16MM6P2C/6P4C/6P6CType: American 1) Modular cord coupler: 6P2C, 6P4C, 6P6C, 8P8C 2) Modular duplex jack: 6P2C, 6P4C, 6P6C, 8P8C 3) Modular adapter: 3 ways 6P4C4) Modular surface jack box : 6P4C, 6P6C5) ...