--- type: product schema_version: 1 stock_number: "62253-8" canonical_url: "https://www.artisantg.com/62253-8/ARRA-2-3174-20" json_url: "https://www.artisantg.com/62253-8/ARRA-2-3174-20.json" generated_at: "2026-11-07T05:03:53.373Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # ARRA 2-3174-20 SMA Directional Coupler _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: ARRA - Model: 2-3174-20 - Condition: Used and in Excellent Condition - Price: $185.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1 lb, estimated - Shipping dimensions: 8X8X3 in, estimated ## Categories - Test Equipment > Electrical Test > Electrical Parts (primary) ## Details Part Numbers: 2-3174-20 ## Function Passive RF microwave directional coupler with SMA connectors designed to sample a defined fraction of incident power in a transmission line for forward and reflected power monitoring. Delivers a specified coupling factor with finite directivity, low insertion loss, and high port isolation over its operating bandwidth. Enables measurement of forward power, reflected power, and SWR by feeding the coupled signal to a monitor port, suitable for calibration, diagnostics, and test in RF systems. ## Images - - - -