Designed for electronic engineers, professionals, and technical experts who require stable testing tools for projects and product development processes. precision nearfield detection: detects and identifies issues to enhance electromagnetic compatibility across a wide frequency range from 9 kHz to 3 GHz Robust construction: features a female connector and a black protective sleeve to ensure durability and stable performance for longterm use in diverse testing environments Laboratorygrade reliability: essential for circuit board debugging and electromagnetic interference detection during the product development phase Broad lab applicability: suitable for use in standard laboratory settings to support debugging, EMC/EMI testing, and development workflows Use scenarios PCB debugging during prototype development: locate EMI sources on circuit boards and verify EMC performance before moving to production Precompliance EMI testing: assess and address potential EMI issues in the lab to streamline design validation and certification Hardware development troubleshooting: diagnose electromagnetic interference pathways during product development and QA testing to improve overall reliability