The 40G QSFP+ LR4 1310nm transceiver offers reliable long-distance data transmission at 40Gbps over single-mode fiber (SMF) with a reach of up to 2 kilometers. Operating at a wavelength of 1310nm, this module is ideal for high-speed, high-capacity networking in data centers, metropolitan area networks (MANs), aowend enterprise environments. The LR4 (Long Range 4) technology ensures minimal signal attenuation, allowing for stable and efficient communication over extended distances. With its QSFP+ form factor, it is compatible with high-density network switches, routers, and other telecom infrastructure. This module is optimized for both cost-effective deployment and energy efficiency, making it an excellent solution for long-haul optical links.