CEL, short for California Eastern Laboratories, is a wireless connectivity and RF component supplier focused on IoT and embedded communication applications. The company is well known for Wi-Fi modules, Bluetooth modules, RF components, antennas, low-noise devices, RFIC switches, and optical semiconductor products. CEL supports developers with connectivity solutions designed for compact integration, reliable RF performance, and efficient product development across industrial, smart device, and infrastructure applications. The brand is especially relevant for engineers building wireless IoT systems that require dependable embedded connectivity and RF design support.