California Eastern Laboratories (CEL) is the exclusive sales and marketing partner in North America and Latin America for products made by the Compound Semiconductor Devices Business Division (CSDBD) of Renesas Electronics Corporation, formerly NEC Electronics Corporation.

These products include RF components and RFICs, optocouplers, solid state relays, and lasers and detectors for fiber optics. CEL maintains extensive inventories, sets pricing, and provides engineering and applications support at its design center in Santa Clara, CA. CEL also develops its MeshConnect™ line of IEEE 802.15.4/ZigBee radio modules and transceiver ICs and is a member of the ZigBee Alliance.