8P8C LAN FTP port combiner/splitter adapter: RJ-45M to double RJ-45F connectors Allows to split 8-wire LAN port into two 4-wire ports and/or vice versa Typical installation requires two adapters. One to combine a double signal from your router onto a single ethernet cable, and another one the split the signal again to two separate sockets Dimensions: 200 x 68 x 25 mm Net weight: 39 g Cable length: 15 cm System requirements: LAN router or switch with Auto-MDI/MDIX ports