CEL is a specialist in world class wireless and optical products, with over 60 years of experience in the domain largely providing specialised support to OEMs needing wireless communication.  Under the connectivity products category, CEL has a portfolio across the following categories,  Wifi + Bluetooth  Zigbee + Thread + BLE + NFC  Bluetooth + NFC  Zigbee  Zigbee + Thread + Bluetooth  Under the RF Components category, CEL manufacturers the following products,  Low noise devices Photodiodes  RF pin diodes  RFIC switches  Some of CELs extensive technical support to customers who want to add connectivity to their products comes in the form of,  Detailed documentation  Device testing  Evaluation boards  Software development tools  Design reviews  End to end product performance verification  CELs products are currently built into a wide range of verticals and industries, such as Building control, Lighting, Smart energy and Industrial.