I'm a RF and PCB design engineer specializing in IoT and wireless communication systems. I design ESP32 WiFi, nRF52 BLE, LoRa RF, and GSM/LTE PCBs with focus on signal integrity, antenna tuning, and reliable performance. I work with Altium Designer, KiCad, and EasyEDA to deliver production-ready PCB layouts including Gerber, SCH, BRD, STEP, and PDF files. My goal is to build stable, long-range, low-noise RF designs for real-world applications.... Lee más