Hi-Link has more than ten years of R&D experience in the IoT communication industry, focusing on the fields of IoT smart home, consumer electronics, smart wearable and industrial control, and 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 with customers, and provides customers with high-quality products and services. The company's products mainly involve smart home, consumer electronics and industrial control fields, the core products include: communication modules - serial WiFi, routing gateway, BLE Bluetooth, 4G/5G mobile communication, NB-IoT, Cat1, LoRa; Power supply module - AC/DC power supply, DC/DC power supply, chassis power supply; Sensing modules - voice recognition, face recognition, millimeter wave radar, GPS/GNSS positioning, temperature and humidity sensing, etc., and related IoT solutions.