Questions & Answers Common questions about RF StateSide projects, software, and RF & embedded design. Search questions & answers Filter by category All categoriesAmateur RadioGeneralRF & Wireless SystemsRF Hardware & AmplifiersRF StateSide Site & ProductsSoftware & ProgrammingStation Automation & Control Clear Why Does an RF Amplifier Need a Directional Coupler? 11/15/2025 by Webmaster RF Hardware & Amplifiers 1 1 of 1 pages (1 items)