The JBX02424 25GBASE-LR SFP28 transceiver module represents a superior solution for organizations requiring high-speed, long-distance optical connectivity. Engineered to IEEE 802.3by standards, this module delivers consistent 25Gigabit-per-second performance, making it ideal for modern data center environments, enterprise networks, and service provider infrastructures. **Technical Specifications:** This SFP28 transceiver operates at 1310nm wavelength, enabling reliable transmission over 10 kilometers of standard single-mode fiber with 9/125 core specifications. The duplex LC/UPC fiber connectors provide excellent signal integrity and minimal insertion loss. The compact form factor (5.0" x 4.0" x 2.0") allows for dense port configurations while maintaining optimal thermal management. **Key Features & Benefits:** The module's metal case with integrated laser transmitter ensures durability in demanding network environments. Multiple safety certifications—including Class 1 Laser designation, TUV, UL/FDA compliance, and 21CFR 1040.10 adherence—guarantee operational safety. RoHS and EU directive 2002/95/EC compliance ensures environmental responsibility. **Compatibility & Integration:** Direct HPE JL855A compatibility makes this transceiver an excellent choice for organizations with existing HPE infrastructure. Custom brand programming is available, allowing seamless integration into existing inventory systems. **Performance Range:** Operating reliably from 0 to 70°C (32 to 158°F), this module performs consistently across diverse deployment scenarios, from climate-controlled data centers to field installations. **Value & Support:** Shipped from conveniently located warehouses in Danville, CA and Beaufort, SC, qualified orders receive free standard shipping. The 90-day limited warranty provides peace of mind with new purchases. This transceiver is an excellent alternative to OEM options, offering significant cost savings without compromising performance or reliability. **Applications:** Ideal for metropolitan area networks (MANs), data center interconnects, long-haul optical networking, and enterprise backbone upgrades requiring 25Gb/s capabilities over extended distances.