Nokia AOSE 474903A.101 25GBASE-LR SFP28 Transceiver 30km 1310nm SMF I-temp RS
The Nokia 474903A.101 (RTX M330-930-C39) is a high-performance 25GBASE-LR SFP28 optical transceiver, factory-calibrated for Nokia network equipment. Operating at 1310 nm, it supports 25Gbps Ethernet transmission up to 30 km over single-mode fiber, with industrial temperature range (I-temp) capability and RS (Receiver Sensitivity) optimized design. Manufactured by Nokia (OEM by WTD), it features a duplex LC connector, full DDM/DOM monitoring, and meets IEEE 802.3by and SFP28 MSA standards.
Nokia Part Number
474903A.101
Transmission Distance
30km
Standards
IEEE 802.3ae, SFP+ MSA, Class 1 Laser
Transmit Power
-6.0 ~ +4.0 dBm
Receiver Sensitivity
-12.6 dBm
Operating Temperature
-40°C ~ 85°C
Typical Applications - Nokia 5G RAN and Backhaul Network 25G Connections
- Metro Core and Aggregation Network 25G Long-Reach Links
- Telecom Service Provider IP/MPLS and OTN Backbone Deployments
- Data Center Interconnect (DCI) and High-Speed 25G Uplinks
- 25GBASE-LR Standard Compliant Network Upgrades
Product Highlights
1. High-Speed 25G Long-Reach Single-Mode Transmission - This transceiver is a 25GBASE-ER SFP28 module, delivering 25Gbps line-rate transmission over standard G.652 single-mode fiber (SMF).
- It operates at 1310nm wavelength, optimized for long-reach applications, supporting up to 30km transmission distance.
- The duplex LC interface is designed for use in Nokia’s telecom and data center platforms, ideal for fronthaul and backhaul optical links.
2. Standard SFP28 Package & Nokia Ecosystem Compatibility - It uses the industry-standard SFP28 (25G Small Form-factor Pluggable 28) package, which is compact, hot-swappable, and optimized for high-density 5G/IPRAN equipment.
- As a Nokia-branded module, it is natively validated for use with Nokia 5G base stations, routers, and transport systems.
- It features an industrial temperature (I-temp) design, supporting reliable operation in harsh environmental conditions.
3. Reliable Performance & Compliance Certification - Built-in Digital Optical Monitoring (DOM) allows real-time monitoring of key parameters including TX/RX optical power, module temperature, supply voltage, and laser bias current.
- Certified as a Class 1 Laser product, meeting strict carrier-grade safety and performance requirements.
- Manufactured in China, it undergoes rigorous factory testing to ensure stable performance in industrial temperature ranges.