Product Overview Mini-Circuits’ ZGBDC20-33H-S+ broadband high power bi-directional coupler offers excellent performance across a wide range of popular frequency bands. Built using low loss suspended substrate construction, the ZGBDC20-33H-S+ can pass up to 3A of DC current from input to output and handle up to 50W CW. Rugged sealed construction makes this coupler ideal for use in field applications or remote monitoring sites; however, it is also ideal for high power lab testing. Feature Advantages Excellent Insertion Loss , 0.15 dB Typ* With extremely low insertion loss, this coupler is ideal for critical high power applications. Ultra High Return Loss, 28 dB Typ Outstanding Return loss makes this coupler ideal for sensitive power measurement and other signal distribu- tion applications. High Power Handling, 50W Up to 50W CW power handling, combined with low insertion loss and excellent VSWR support operation in high power applications such as transmitters, base stations and high power device characterization. Wide bandwidth 300-3000 MHz coverage includes many popular cellular, WiMAX, LTE, ISM, satellite, P2P, aviation, maritime, defense,and radar bands Excellent Directivity and Coupling Flatness Typical 23 dB directivity and ±0.2 dB of Coupling flatness provides accurate signal sampling of forward or reflected power. Passes DC Current, 3A Capable of passing 3A current, input to output; this coupler is suited for application using remote antenna control or other remote motorized requirements. IP67 Weatherproof Case With an Ingress Protection rating of IP67, the ZGBDC20-33H-S+ is designed to operate in harsh outdoor applications. *Does not include coupling loss The Big Deal High Power Handling: 50W Low Insertion Loss: 0.15 dB* Rugged IP67 Weatherproof case