PRE-QSFP28-LR4(I)
Short Product Description: The QSFP28-LR4(I) is a 100G QSFP28 transceiver module optimized for long-distance data transmission over single-mode fiber (SMF).
QSFP28, LR4, LWDM, 100G, 10km, SMF/LC

The Precision OT QSFP28-LR4(I) is a high-performance, long-reach 100G QSFP28 transceiver module optimized to support long-distance data transmission over single-mode fiber (SMF). This transceiver operates over distances of up to 10 kilometers, using four 25Gbps lanes, and supports 100 Gigabit Ethernet (100GbE) links, making it ideal for enterprise and backhaul networks.
Precision OT’s QSFP28-LR4(I) features Digital Diagnostics Monitoring (DDM), C, and I-Temp ranges, with power consumption under 3.5W, making it efficient for data transmission in demanding environments. With its hot-swappable design, the QSFP28-LR4(I) simplifies maintenance and upgrades, while its integrated digital diagnostics provide real-time monitoring of key performance parameters, ensuring reliable and stable operation across various conditions.
- Long-Distance Connectivity: The QSFP28-LR4(I) supports transmission distances of up to 10 km over single-mode fiber, ideal for extended-reach applications.
- Industrial Temperature Range: The “I” variant operates reliably from -40°C to +85°C.
- Low Power Consumption: Typical power consumption is under 3.5W, helping reduce operational costs.
- 100GBASE-LR4 Ethernet
- Backhaul Networks
- Enterprise Networks