This document provides specifications for a 5.8 GHz external wireless rubber duck antenna with a gain of 2 dBi. Key specifications include an operating frequency range of 5150-5850 MHz, vertical polarization, omnidirectional radiation, an SMA connector, dimensions of 13*392 mm, an operating temperature range of -40°C to 85°C, and applications including 5.8GHz WLAN systems and Wi-Fi.