rf troubleshooting , AOI, Yield Improvement for Process Component or Tester related defects, Lean Six Sigma, Oscilloscope, 5DX, Failure Analysis, Signal Generator, Quality ISO, RMA and Failure Analysis Processes, RF Assembly and Testing, High Level Assembly and Test, Ict, IPC-6010, Network Analyzer, Production Operation for SMT, PCBA troubleshooting for Analog Digital and RF Boards, Process Fmea, PDCA, Power Supply and Measurement Equipment