The LevelOne SFP-2505 is a high-performance, cost-effective single-mode SFP transmitter. Designed for use with Gigabit Ethernet, it offers bidirectional data transfer rates of up to 2.5 Gbps over a single duplex fiber core. When used with 9- and 125-micron fiber cables, it can reach distances of up to 40 km. The SFP-2505 transmitter operates at a wavelength of 1550 nm with a DFB laser diode light source and features an LC port.