CEL（加州东部实验室）是瑞萨电子公司在美洲的复合半导体器件的独家销售和营销合作伙伴。产品包括RF元件和RFIC，光耦合器，固态继电器，激光二极管和光电探测器。

CEL为RF和无线，移动通信，多媒体，宽带通信，工业控制和自动测试设备（ATE）市场中的设计人员，OEM和合同制造商提供服务。凭借在高频设计，客户支持和履行方面超过50年的经验，CEL的理想定位是为客户提供量身定制的解决方案，以满足他们的特定需求。

CEL还设计和制造IEEE 802.15.4，ZigBee®，Thread，Wi-Fi®和Bluetooth®专业级无线解决方案的Cortet™和MeshConnect®系列产品，并参与ZigBee®Alliance，Thread Group和Bluetooth® SIG。 CEL的理想定位是为其客户提供硬件和软件产品，大大简化设计并缩短产品上市时间。

CEL在圣克拉拉（加利福尼亚州），布法罗格罗夫（伊利诺斯州）和拉法叶（科罗拉多州）的技术中心维护着大量的库存并提供工程和应用帮助。CEL公司通过销售办事处，销售代表和经销商在众多地点为客户提供支持。

CEL (California Eastern Laboratories) is the exclusive sales and marketing partner in the Americas for Compound Semiconductor Devices from Renesas Electronics Corporation. Products include RF components and RFICs, optocouplers, solid state relays, and laser diodes and photo detectors.

CEL serves designers, OEMs and contract manufacturers in the RF & Wireless, Mobilecomm, Multimedia, Broadband Communications, Industrial Control, and Automated Test Equipment (ATE) markets. With over 50+ years of experience in high frequency design, customer support and fulfillment, CEL is ideally positioned to provide its customers with solutions tailored to meet their specific needs.

CEL also designs and manufactures the Cortet™ and MeshConnect® lines of IEEE 802.15.4, ZigBee®, Thread, Wi-Fi®, and Bluetooth® professional grade wireless solutions and participates in the ZigBee® Alliance, the Thread Group and the Bluetooth® SIG. CEL is ideally positioned to provide its customers with hardware and software products that greatly simplify design and reduce time to market.

CEL maintains extensive inventories and provides engineering and applications assistance at its technical centers in Santa Clara (CA), Buffalo Grove (IL), and Lafayette (CO). The company supports customers through sales offices, sales representatives and distributors in numerous locations.