Features: Gigabit single-mode dual fiber, 1.25G/sec single channel. Meet the SFF-8472 protocol standard. Provide high performance, low power consumption, ensuring stable and fast signal propagation. It is suitable for high-speed data transmission of large data in cloud computing, data center, server, high-speed network card, big data storage, RAID disk array, high-speed network, VR, unmanned vehicles and other equipment. Compatible brands: For HP / Cisco / HUAWEI / IBM / DELL / Lenovo / H3C / ThinkServer / ASUS Inspur / ZTE, etc. Specification: Material: Zinc alloy Transmission distance: 20KM Channel: Single channel Transmission speed: 1.25Gbps / sec Wavelength: 1310 Interface: LC dual fiber Working temperature: 0C ~ 70C Package list: 1 * SFP-GE-LX20-SM1310 20KM Optical Module1Gigabit single-mode dual fiber, 1.25G/sec single channel. 2Meet the SFF-8472 protocol standard. 3Provide high performance, low power consumption, ensuring stable and fast signal propagation. 4It is suitable for high-speed data transmission of large data in cloud computing, data center, server, high-speed network card, big data storage, RAID disk array, high-speed network, VR, unmanned vehicles and other equipment. 5Compatible brands: For HP / Cisco / HUAWEI / IBM / DELL / Lenovo / H3C / ThinkServer / ASUS Inspur / ZTE, etc.