The document provides specifications for the SFP-10G-BXU1 10G optical transceiver module. It is an SFP+ form factor module that operates at 10Gbps over single-mode fiber for up to 10km using wavelengths of 1270nm for transmission and 1330nm for reception. Key features include an operating temperature range of -40°C to 85°C and compatibility with several Huawei switch models. It uses bidirectional single-fiber technology requiring a paired transceiver, and provides over 0.5dBm of optical power with a receiver sensitivity of -14.4dBm.