This Calix® 100-01661 compatible SFP transceiver provides 1000Base-TX throughput up to 100m over a copper connection using a RJ-45 connector. Our transceiver is guaranteed to be 100% compatible with the equivalent Calix® transceiver. It is also capable of withstanding rugged environments and can operate at temperatures between -40°C to +85°C. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of Calix®, as well as to comply with multi-source agreement (MSA) standards to ensure seamless network integration. We stand behind the quality of our products and proudly offer a limited lifetime warranty. Trade Agreements Act (TAA) versions of this part are available upon request.