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The Hikvision HK-SFP-1.25G-20-1310 is a professional-grade SFP optical module designed for high-speed, long-distance data transmission over single-mode fiber. Operating at a 1310nm wavelength, it provides a stable 1.25Gbps connection for distances up to 20km. This hot-pluggable module is the definitive choice for expanding networking reach between switches, routers, and NVRs in large-scale surveillance and enterprise environments.
The HK-SFP-1.25G-20-1310 optical module is a critical networking component that enables the conversion of electrical signals into optical signals for long-haul transmission. Engineered by Hikvision to ensure peak compatibility with high-end security hardware, this Small Form-factor Pluggable (SFP) transceiver facilitates high-bandwidth data exchange with minimal latency. It serves as a reliable bridge for modern infrastructure, allowing for the deployment of devices far beyond the 100-meter limit of traditional copper cabling.
Key Features
The standout feature of this module is its 1310nm wavelength optimization, which is ideal for 20km single-mode fiber (SMF) applications. This wavelength offers an excellent balance between cost and performance for medium-to-long range links. The module is fully hot-pluggable, meaning it can be inserted or removed from a powered-on switch without interrupting the rest of the network's operation. This feature is essential for maintaining 24/7 uptime in mission-critical surveillance systems in Abu Dhabi and other high-demand regions.
Performance / Technology
Connectivity is handled via a standard LC duplex interface, ensuring a secure and low-loss optical connection. Operating at a Gigabit data rate of 1.25Gbps, the module is compliant with IEEE 802.3z standards. It is built with high-quality laser components and a robust internal circuitry designed to resist electromagnetic interference (EMI), ensuring that your video feeds from high-resolution IP cameras remain clear and uninterrupted across the fiber link.
Design & Ergonomics
The HK-SFP-1.25G-20-1310 features a precision-engineered metal housing that aids in thermal management and protects the internal optics. Its compact, industry-standard SFP footprint allows it to fit into any compatible SFP port on switches, media converters, or firewalls. The integrated bail-clasp latching mechanism provides an easy-to-use release for quick maintenance or reconfiguration while ensuring the module remains firmly seated during operation.
Compatibility / Use Cases
This 1.25G SFP module is the ideal solution for connecting remote server rooms, linking building-to-building networks, or extending the reach of outdoor IP camera installations. It is a vital accessory for industrial parks, large residential complexes, and urban surveillance projects. By utilizing single-mode fiber at 1310nm, it provides a high-performance network backbone that is immune to the electrical interference often found in industrial settings.
Why This Product Stands Out
The Hikvision HK-SFP-1.25G-20-1310 stands out by providing a highly reliable and certified optical link for professional security infrastructure. While third-party modules can be unpredictable, this genuine Hikvision transceiver is optimized for the specific power and data requirements of Hikvision switches and NVRs. Its ability to provide a consistent 20km link at Gigabit speeds makes it one of the most trusted and efficient networking tools available in 2026.
| Model | HK-SFP-1.25G-20-1310 / HK-SFP-1.25G-20-1550 |
| Fiber Type | SMF, Single fiber, 9/125um |
| Connector | LC |
| Data Rate | 1250 Mbps |
| Connector Quantity | 1 |
| Distance | 0~20km |
| Wavelength | Tx1310nm/Rx1550nm (HK-SFP-1.25G-20-1310), Tx1550nm/Rx1310nm (HK-SFP-1.25G-20-1550) |
| TX Power | -9~-1dBm |
| RX Sensitivity (Max.) | -21dBm |
| Operating Temperature | 0~70??C |
| Storage Temperature | -40~85??C |
| Relative Humidity | 30~80% |
| Power Supply Voltage | DC 3.3V |