The 2A-136G 1.25G Multi-Mode/550M Fiber SFP Module provides 1 GbE connectivity up to 550 meters. The transceiver can be installed in both transmitters and receivers. As a hotpluggable module with a standard duplex connector for fiber communications, the 2A-136G works with multi-mode-fiber (MMF) connections and operates at a nominal wavelength of 850 nm which makes it a cost-effective and high performance transceiver.