Welcome to our shop! This SFP transceiver is made from premium zinc alloy material, ensuring its sturdiness and durability. It supports a 1.25Gb/s rate with a Tx1550/Rx1310nm single fiber single mode and a transmission distance of 10KM. It also features DDM function and is compliant with SFP Multi Source Agreement standard and IEEE 802.3z standard. With low power consumption, this SFP single fiber optical module consumes less than 1 watt. It is designed for plug and play, supporting hot swap. The power consumption is less than 1.05W and the thermal gasket provides superior heat dissipation. Every module has been tested one by one on different switches before shipping, ensuring compatibility with different brands of switches. Item Type: SFP Transceiver Material: Zinc Alloy Color: Silver Rate: 1.25G Transmission Distance: 20KM Working Wavelength: 1550nm Interface: LC Applicable Equipment: For Huawei, for ZTE, for H3C, for Cisco, for RIGOAL, for HP, and other switches, routers, firewalls, network cards, and other equipment. Package includes: 1 x SFP Transceiver, 1 x Dustproof Plug. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.