Multifunctional signal generator for FM radio intercom testing Key benefits and features Wide frequency range for thorough testing: covers 5M to 470MHz, enabling detailed walkietalkie testing and adjustment. sensitivity for accurate results: offers 120DBM to 130DBM sensitivity, providing readings that mirror professional measurement tools. Versatile modulation and signaling: builtin 800Hz audio modulation and CTCSS function support comprehensive signal testing across varying scenarios. Easy to read display and quick setup: features a userfriendly 7digit display; connect to an 812V DC power source for immediate use. What makes it stand out Comprehensive capabilities in a single unit: combines wide frequency coverage, precise sensitivity, and practical modulation options for versatile testing. Reliable performance: designed to deliver stable readings that align with professional equipment, supporting confident diagnostics and adjustments. Recommended use scenarios Workshop bench testing: connect to an 812V DC source, perform frequency checks across the 5M–470MHz range, and adjust walkietalkie or intercom units with confidence. Onsite intercom and radio system verification: use the CTCSS function and 800Hz modulation to confirm compatibility and proper signaling in building facilities or campuses. Field service and maintenance: leverage the 7digit display for quick, clear frequency readouts while validating devices before deployment.