The TSA500 Time Synchronization Analyzer is a portable test terminal that integrates high-precision time code testing, frequency stability measurement, clock source analysis, and time-frequency signal output. Complying with international and domestic standards such as ITU-I, IEEE, and EIA, it is widely applicable to time-frequency signal testing scenarios in communications, power generation, rail transit, national defense, research institutes, and measurement units. Its high reliability and professionalism make it an ideal test tool for a variety of time-frequency applications.