This document describes a fiber optic patch cord that connects ST and LC connectors with a single mode fiber optic cable. It lists key features such as insertion loss less than 0.3dB, return loss greater than 50dB for UPC polished connectors, operating temperature range from -20°C to 70°C, and materials for the cable jacket including PVC, LSZH, or custom options. The document provides contact information for Shenzhen Jiafu Optical Communication Co., Ltd. to inquire further about detailed specifications or place orders.