This MSA compliant SFP28 transceiver provides 25GBase-BX throughput up to 40km over single-mode fiber (SMF) using a wavelength of 1270nmTx/1310nmRx via an LC connector. This bidirectional unit must be used with another transceiver or network appliance of complementing wavelengths. It is also capable of withstanding rugged environments and can operate at temperatures between -40C to +85C. It is built to MSA standards and is uniquely serialized and data-traffic and application tested to ensure that they will integrate into your network seamlessly. Digital optical monitoring (DOM) support is also present to allow access to real-time operating parameters. This transceiver is Trade Agreements Act (TAA) compliant. We stand behind the quality of our products and proudly offer a limited lifetime warranty.