GLC-LH-SMD Gigabit Singlemode Transceiver for Compatible Brands Specification: Product Model: eSFP-GE-LX-SM1310 Compatible brands: Suitable for certain brands and other switches Package Type: SFP Interface Type: Dual LC Interface Operating Voltage: 3.3V Transmission Rate: 1.25Gb/s, GE, OC24 Transmission distance: single-mode up to 10 kilometers Transmit Wavelength: 1310nm Receive Wavelength: 1310nm Operating temperature: commercial grade 0��C to +70��C / industrial grade -40��C to +85��C optional Digital diagnostics: with DDM / without DDM optional Receiving Sensitivity: Single Mode 10km Package Includes: 1* Optical Module Note: 1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before ordering. 2. Please allow 1-3g weight error. Please make sure you don't mind before ordering. 3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!