Dahua GSFP-1310-20-SMF Optical Module – Gigabit Transmission Up to 20 km, Reliability and Professional Performance
GSFP-1310-20-SMF - is a dual-fiber single-mode Gigabit optical module with LC connector, designed for data transmissions up to 20 km at a wavelength of 1310 nm . Thanks to its rugged construction and Plug and Play technology, it ensures quick and reliable installations without complex configurations. It operates over a wide temperature range from –40 °C to +85 °C , ensuring high performance even in extreme conditions. Ideal for network applications in telecommunications, security and industrial infrastructure , it combines efficiency, stability and long life. Dahua
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GSFP-1310-20-SMF | GIGABIT OPTICAL MODULE

The Dahua GSFP-1310-20-SMF is a Gigabit optical module designed for reliable long-distance connections up to 20 km, with dual single-mode fiber and LC connector. Thanks to plug-and-play technology, it ensures quick installation and compatibility with various network devices. Designed for harsh environments, it operates within a temperature range of -40°C to +85°C, ensuring stability and high performance in professional telecommunications, security, and industrial automation applications.
Main specifications:
- Speed: 1 Gbps
- Transmission: up to 20 km at 1310 nm
- Fiber: dual single-mode fiber
- Connector: LC
- Operating temperature: –40 °C / +85 °C
- Plug and Play installation
Further details
The module is designed to operate in extreme environments, operating within a temperature range of –40°C to +85°C . This feature allows for safe and consistent use even in difficult climatic conditions, such as outdoor installations or industrial environments with significant temperature fluctuations, always ensuring signal stability and continuity.
✅ Hardware:
Equipped with dual single-mode fiber and LC connector, the module supports transmission speeds of up to 1 Gbps . The compact design ( 55.5 × 13.4 × 8.5 mm ) and rugged construction ensure compatibility with switches, routers, and industrial network devices, offering maximum efficiency and durability.
✅ Performance :
With a wavelength of 1310 nm for both transmit and receive, the GSFP-1310-20-SMF offers stable data transmission up to 20 km , even in humidity conditions ranging from 5% to 95% . This consistent performance makes it an excellent choice for network infrastructures that require speed, reliability, and superior connection quality.

Technical data sheet
Model | GSFP-1310-20-SMF |
Hardware | |
Optical Fiber Type | Single mode double fiber |
Optical Port Type | LC |
Speed | 1Gbps |
Performance |
|
Wavelength | 1310 nm sending; 1310 nm receiving |
Transmission Distance | 20 km |
Operating Humidity | 5%–95% |
Operating Temperature | –40 °C to +85 °C (–40 °F to +185 °F) |
Storage Temperature | –40–85 °C |
Max. Speed of Optical Port | 1 Gbps |
Product Dimensions | 55.5 mm × 13.4 mm × 8.5 mm (2.19" × 0.53" × 0.33") |