Feature: 1. Compliant with Gigabit Interface.2. Converter (GBIC) Revision 5.5.3. Compliant with proposed specifications for IEEE 802.3z/Gigabit Ethernet.4. Up to 1.25Gb/s bi-directional data link.5. 1310nm FP laser for 10Km and 20 Km transmission.6. 1310nm uncoole