GrenTech 1.25G SFP ZX uses a DFB laser and it is a dual LC connector. The wavelength is 1550nm, and it can transmit up to 80km over 9/125uF single mode fiber. It is compliant with SFF-8472 and SFP MSA, the performance is stable, mainly uses in 1G Ethernet switches, routers and fiber channel switches, etc. Get 1.25G SFP ZX price now!