1. Dual Fiber: This SFP transceiver features a 1.25Gbps speed and 850nm dual-fiber multimode, with a maximum transmission distance of 550 meters. 2. Supports DDM: This optical SFP module supports the DDM function, which can monitor real-time parameters and status of optical fiber links. Compliant with the SFP Multi Source Agreement standard and IEEE 802.3z standard. 3. Wide Application: This SFP dual-fiber optical module is commonly used in optical fiber switches, routers, network adapters, servers, firewalls, and other fiber channel devices with 1.25 Gbit/s SFP ports. 4. Low Power Consumption: This SFP optical transceiver also boasts low power consumption, less than 1W. 5. Plug and Play: This SFP transceiver supports plug and play and hot swapping. Power consumption of less than 1.05W and thermal pads provide superior heat dissipation. Item Type: SFP Transceiver Material: Zinc Alloy Model: SFP GE SX MM850 Color: Silver Speed: 1.25G Transmission Distance: 550 meters Operating Wavelength: 850nm Transmitting Power: -9 to -3db Receiving Sensitivity: -18db Fiber Interface Core: VCSEL: LC Applicable Equipment: For Huawei, ZTE, H3C, Cisco, RIGOAL, HP, and other switches, routers, firewalls, network cards, and other equipment. Package Includes: 1 x SFP Transceiver 1 x Dustproof Cap