Wi-Tek WI-SFP10LC-3KM optical transceivers are for sale. They are designed to establish 1.25 Gbps Gigabit SFP optical connections between switches, routers, and control devices. They use BiDi WDM technology, which enables bidirectional data transmission over a single optical fiber. Key features include type: SFP BiDi WDM Transceiver, speed: 1.25 Gbps, fiber type: Single-mode, distance: up to 3 km, wavelength: TX 1310nm RX 1550nm and TX 1550nm RX 1310nm, and connection type: 1 x LC. They support DDM DOM and are compatible with all major brands. The advantages include saving on optical cables, h