HI-LINK has over ten years of research and development experience in the IoT communication industry, focusing on the fields of IoT smart homes, consumer electronics, intelligent wearables, and industrial control. It is a professional IoT software and hardware solution service provider. The company always adheres to the product policy of "creating value, customer first, following the trend, and striving for excellence", adheres to independent innovation, grows together with customers, and provides customers with high-quality products and services. The company's products mainly involve the fields of smart home, consumer electronics, and industrial control. The core products include: communication module - serial port WiFi, routing gateway, BLE Bluetooth, 4G/5G mobile communication, NB IoT, Cat1, LoRa; Power module - AC/DC power supply, DC/DC power supply, chassis power supply; Sensing modules - speech recognition, facial recognition, millimeter wave radar, GPS/GNSS positioning, temperature and humidity sensing, and related IoT solutions.