--- type: product schema_version: 1 stock_number: "89923-1" canonical_url: "https://www.artisantg.com/89923-1/SMT-SMI4080" json_url: "https://www.artisantg.com/89923-1/SMT-SMI4080.json" generated_at: "2026-11-07T21:21:10.257Z" last_updated: "2026-10-14T13:00:51.160-05:00" --- # SMT SMI4080 3-Port Broadband Connectorized Isolator/Circulator _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: SMT - Model: SMI4080 - Condition: Used and in Excellent Condition - Price: $75.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 1.5 lb, estimated - Shipping dimensions: 8X8X3 in, estimated ## Categories - Test Equipment > Electrical Test > Isolators (primary) ## Details ### Configuration - Connector Orientation:      - Port 1: SMA Female      - Port 2: SMA Female      - Port 3: Terminated ## Function Isolates RF signals by allowing transmission from port 1 to port 2 while attenuating signals from port 2 to port 1. Circulates signals directionally between ports 1 and 2, with port 3 internally terminated. Operates within a broadband frequency range using SMA connectors for signal input and output. ## Images - - - -