... Finisar SFP, 1.25Gb/s 1310nm, Longwave, Optical Transceiver Module, Free shipping Main Features.LW-SFP-1G, 1310nm FP1.25Gb/s transceiverSingle ... holder as below, the holder is especially made for Transceivers and it's anti-static===========================================================Important Information:1: All the SFP ... SFP, 1.25Gb/s 1310nm, Longwave, Optical Transceiver Module, Free shipping