Hello, I’m James, a professional PCB and RF Hardware Design Engineer with 8+ years of experience in RF PCB design, antenna systems, ESP32 hardware, IoT devices, LoRa, WiFi, Bluetooth, GPS, LTE/4G/5G modules, high-speed PCB design, DDR routing, USB, PCIe, and multilayer PCB layouts. I use Altium Designer, KiCad, ADS, CST Studio, HFSS, EasyEDA, and Proteus. I deliver schematic design, PCB layout, RF optimization, antenna tuning, impedance-controlled routing, BOM, Gerber files, 3D PCB models, and manufacturing-ready documentation for reliable product development.... Mehr lesen