Feature: 1. Fiber Type: This SFP optical module adopts LC single mode fiber, and provides 1.25Gbps transfer rate, RX1550 TX1310 nm, transmission distance reaches up to 40KM. 2. Durable Metal: This SFP optical transceiver adopts premium zinc alloy material, which is ensures stable performance and long service life. 3. Plug and Play: This SFP single fiber optical module supports plug and play, hot swap and DDM, and thermal gasket provide fast heat dissipation. 4. Low Power Consumption: This SFP single fiber optical module is characterized by low power consumption, which is lower than 1.05W. 5. Widely Used: This SFP single fiber optical module is suitable for optical fiber switch, routers, network adapters, servers, firewalls, and other open switch. Specification: Item Type: 1.25G SFP Transceiver Material: Zinc Alloy Product Model: SFP GE LX40 SM1310 BIDI Rate: 1.25G Transmission Distance: 40KM Wavelength: RX1550 / TX1310nm Applicable Devices: Applicable to Fibre Switch, Router, and Network Card. Package List: 1 x 1.25G SFP Transceiver