QL3D is a leading brand that specializes in providing comprehensive connectivity and control solutions. They offer a wide range of products and services to meet the needs of various industries. Their product categories include IP and GSM/SMS sensors, IP enclosures (copper & WiFi), GSM/3/4G enclosures, sensors, detectors, software, options, and accessories.

In the field of industrial connectivity, QL3D offers industrial Ethernet switches, media converters, PoE injectors/splitters, Ethernet extenders, surge protectors, and industrial routers. They also provide a range of solutions for serial connectivity, including serial servers (IP, WiFi, and cellular), serial to Bluetooth converters, USB to serial converters, and serial cards. Additionally, QL3D offers solutions for radio, LoRa, SigFox, NB-IoT, Bluetooth, and cellular connectivity.

They provide a wide range of devices such as sensors, detectors, gateways, modems, antennas, and more. With a focus on quality and innovation, QL3D is dedicated to delivering reliable and efficient connectivity solutions for various industrial applications