Built-in calibration signal generator with dual outputs for standalone use - Dual output signals - MF/HF/VHF sine wave output from 0.1 MHz to 350 MHz - UHF square wave output from 240 MHz to 960 MHz - Automatic self-test and calibration - Designed to perform automatic self-test and calibration when input signals are weak or low in level Two inputs with clear frequency ranges - High quality MF/HF/VHF input - Frequency range: 0.1 MHz to 350 MHz - UHF input - Frequency range: 240 MHz to 960 MHz - Note: The device provides two separate inputs to accommodate different signal sources and measurement needs PC control and software compatibility - USB connectivity to a PC - Implements Serial-over-USB (CDC) protocol - Command set and automation - Supports a wide range of control commands for flexible operation - Easy setup - Driver is automatically downloaded after connecting to a PC ESD protection and reliability - ESD protection system - Version 3.1 with new ESD protection features - Diode protection - Installed diodes enhance sensitivity and anti-static performance - Durability - Improved protection contributes to longer life and more reliable operation Use scenarios - Standalone testing when an analyzer is not available - Use the built-in sine and square wave outputs for quick RF signal generation and basic tests - Calibration and self-test under low input conditions - Utilize the automatic self-test and calibration capabilities to verify performance without additional equipment - PC-controlled automated testing - Connect via USB to a PC, issue commands through the CDC protocol, and integrate into automated test sequences or software workflows This description preserves the original product functions and specifications while presenting clear, customer-focused benefits, practical use cases, and a professional, trustworthy tone.