Chong Yu Ke Ji LoraiMiDi 128LP IoT LoRa Communication Module with Spring Antenna - Close-up of green PCB showing main IC, golden spring antenna, and GPIO pinouts (3v3, 5v, GND) for long-range data transmission
RF / Wireless Communication PCB
RF & Communication Module PCB
Integrated RF and control circuitry, commonly used in wireless communication and IoT applications.