Product Overview:‌ 

The 25G SFP28 ER 1310nm 40km optical transceiver is a high-performance, industrial-grade fiber optic module designed for 25 Gigabit Ethernet applications. Key features include:
Extended Reach
Utilizes 1310nm wavelength with DFB laser technology to achieve 40km transmission distance over single-mode fiber (SMF), ideal for metro access networks and long-haul connections.
Standards Compliance
Fully compliant with IEEE 802.3by, SFF-8472, and SFF-8432 standards, ensuring seamless interoperability with major networking equipment.
Application Scenarios
Perfect for 5G fronthaul, data center interconnects, and enterprise backbone networks where high-speed, long-distance transmission is critical.

Key Features:

• -Up to 25.78Gb/s data links
• -1310nm DFB laser and APD receiver
• -Up to 40km on 9/125um SMF
• -Hot-pluggable SFP footprint
• -Digital diagnostic capabilities
• -Class 1 laser safety certified
• -Cost effective SFP28 solution, enables higher port densities and greater bandwidth
• -RoHS compliant and lead-free
• -Single +3.3V power supply
• -2-wire interface for management specifications compliant with SFF-8472 digital diagnostic monitoring interface for optical transceivers
• -All-metal housing for superior EMI performance
• -Case operating temperature: Commercial: 0 ~ +70?; Extended: -10 ~ +80?; Industrial: -40 ~ +85?