
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Finisar FWLF1631R57-CM 2.7Gb/s SFP 160km 1531.90nm LC SMF Transceiver
- Data Rate: 2.7Gb/s
- Form Factor: SFP
- Reach: 160km
- Fiber Type: Single-Mode Fiber (SMF)
- Connector Type: LC Duplex
- Wavelength: 1531.90nm
- Extended Reach (ER) capability
FWLF1631R57-CM isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- Transceiver Module
- Interface
- SFP
- Speed
- 2.7Gb/s
- Distance
- 160km
- Fiber Type
- SMF
- Connector
- LC Duplex
Product details
This Finisar SFP transceiver offers an impressive 2.7Gb/s speed over a distance of 160km on single-mode fiber (SMF). It operates at 1531.90nm with an LC duplex connector, designed for ultra-long-haul optical links.
Technical Information
| Product Type | Transceiver Module |
| Interface | SFP |
| Speed | 2.7Gb/s |
| Distance | 160km |
Additional Specifications
| Fiber Type | SMF |
| Connector | LC Duplex |
| Wavelength | 1531.90nm |
Description
The Finisar FWLF1631R57-CM is a high-performance Small Form-factor Pluggable (SFP) optical transceiver module designed for ultra-long-haul transmission applications. It operates at a data rate of 2.7Gb/s, providing a robust solution for extending network connectivity over vast distances. This module is specifically engineered for single-mode fiber (SMF) and leverages advanced optical technologies to achieve an exceptional reach of up to 160 kilometers. The transceiver utilizes a precise operating wavelength of 1531.90nm, which is crucial for long-distance optical communication and compatibility with DWDM systems. The module is equipped with a standard LC duplex connector, ensuring a secure and reliable physical interface for fiber optic connections. Its extended reach capability makes it an ideal choice for telecommunications carriers, service providers, and large enterprises requiring high-speed data transport across metropolitan, regional, and even intercontinental distances. As a hot-pluggable module, the FWLF1631R57-CM can be easily installed or replaced in compatible networking equipment without requiring a system reboot, thereby minimizing network downtime. Finisar is known for its high-quality optical components, and this SFP transceiver exemplifies their commitment to performance and reliability in demanding optical networking environments. It is a key component for building resilient and scalable long-haul networks.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for FWLF1631R57-CM.




