This document provides the product specification for a 10Gbps 1330nm DFB/LD (Distributed Feedback Laser Diode) made by Guilin GLsun Science and Tech Group Co., LTD. It includes details on features, applications, maximum ratings, electrical and optical characteristics, outline drawings, pin connections, and precautions for use. Key specifications listed are a data rate up to 10Gbps, a center wavelength of 1330nm, and an optical output power of 7-9mW at a threshold current plus 20mA.