a full series of optical transceivers including GBIC, SFP, XFP, COPPER SFP, SFF, and a complete series of 1x9(Duplex 1x9, Bi-di 1x9, Asymmetrical rate 1x9, Individual receiver and transmitter 1x9), etc, from 155Mbps low rate module to 10Gbps¡¯ top-of-the-line products.