Low Insertion Loss 12.4G Single Directional Coupler with SMA Female Connector

The ZDTECH single directional coupler is a precision-engineered RF directional coupler designed for applications requiring high directivity, low insertion loss, and reliable signal monitoring. This 10dB coupler operates across a broad frequency range up to 12.4GHz, making it ideal for telecommunications, radar systems, and test & measurement setups. With its SMA directional coupler interface and robust mechanical construction, it ensures stable performance even under high-power conditions up to 30W RF power coupler. Whether used for power monitoring, signal sampling, or isolation in RF circuits, this low insertion loss coupler delivers exceptional performance with minimal signal degradation.

The single directional coupler provides consistent coupling efficiency, ensuring accurate signal sampling for power monitoring and feedback systems. As a low insertion loss coupler, it minimizes signal attenuation, preserving system efficiency, which make it possible of low insertion loss 1.0dB max @ 0.5-4GHz and 1.3dB max @ 4-12.4GHz. The directional coupler effectively isolates forward and reflected signals, critical for VSWR measurements and antenna tuning and ensures impedance matching for reduced signal reflections. This 12.4GHz coupler supports a wide operational range, making it versatile for 5G and mmwave systems, satellite communications and military and aerospace RF applications with its robust mechanical design. SMA female iterface standard for SMA female directional coupler applications, which can accurately adapt to other deviece. The 30W RF power coupler is designed as a compact size, optimized for space-constrained deployment. It 10dB coupler is widely used in base station power amplifiers and lab test setups, which ensures accurate forward and reflected power detection and provides stable signal sampling for spectrum analyzers and power meters. Thanks to its high directivity, this RF directional coupler is  ideal for antenna impedance matching and radar system. It can isolates TX  or RX paths to prevent signal leakage.

The ZDTECH single directional coupler is a high-performance RF directional coupler designed for precision signal monitoring, isolation, and power measurement. With its low insertion loss, high directivity, and 30W power handling, it is an essential component for telecom infrastructure, military and aerospace RF systems, test and measurement equipment. For engineers seeking a reliable 12.4GHz coupler with SMA connectivity, this single directional coupler delivers unmatched performance in a compact, rugged package.