The SFP-100WA20-H is a high performance and cost-effective module for serial optical data communication applications specified for single mode of 125 Mb/s. It operates on +3.3V power. The module is intended for Single-mode fiber, operates at a nominal wavelength of Tx: 1310nm / Rx: 1550nm, and complies with the Multi-Source Agreement (MSA) Small Form Factor Pluggable (SFP). Each module consists of a bi-directional optical subassembly that combines a transmitter with a receiver and an electrical subassembly. All are housed in a metal package and the combination produces a reliable component.