Cisco - SFP (mini-GBIC) transceiver module

1GbE - over fibre optic - 1000Base-LHX - LC single-mode / LC single-mode - up to 50 km - 1270-1355 nm - for P/N: A9903-8HG-PEC-FC=, A99-4HG-FLEX-FC=, A9K-4HG-FLEX-SE=, A9K-4HG-FLEX-TR=