ST0128-30-501-A is a high-performing stick antenna designed for Wi-Fi, Bluetooth, and Zigbee wireless applications in indoor environments. It operates in the 2.4-2.5GHz frequency band with an omni-directional radiation pattern and linear polarization, delivering a peak gain of 5.0 dBi and 77% efficiency. The antenna features a 50O impedance, return loss of less than -10 dB, and maximum input power of 1W. Constructed with TPEE material and equipped with an SMA plug connector, it measures 194mm in length and weighs 24.1g. The antenna operates reliably across a temperature range of -40°C to 85°C, making it suitable for CPE routers, IoT devices, Wi-Fi mesh systems, smart metering, and robotics applications.