This document provides specifications for the CWDM-SFPGE-1571 optical transceiver module. It operates at 1 Gbps with a transmission distance of 80 km on single-mode fiber. The module has an LC connector, works from 0-70°C, and has a center wavelength of 1571 nm. It can transmit with an optical power between 0-5 dBm and receive sensitivity down to -28 dBm. Contact information is provided to inquire further.