Karel Elektronik Sanayi Ve Ticaret A.S. designs, develops, produces, and sells communication systems in Türkiye. It offers communication products, such as PBX phone systems for small, medium, and large-scale businesses; IP based call center systems for public and private institutions; and IP, analog, wall, hotel, and feature phones, as well as direct station select modules, and operator phone headsets. The company also provides convergence and integration products, including conference products, GSM terminals, wireless (DECT) systems, auto-attendant and voicemail modules, call traffic control systems, VoIP and network products, call recording systems, nurse call systems, and other products, as well as vehicle tracking systems. In addition, it offers visual communication and security systems comprising security cameras, intruder alarm, and intercoms; cloud solutions with Internet applications that facilitate the business processes and provide economy and productivity for corporate users; and electronics manufacturing services, as well as undertakes telecommunication projects for fixed and mobile operators, and state institutions and organizations. Further, the company offers defense industry solutions, such as military tactical switches; alarm and announcement system for small boats and navy ships, phone and intercom PABX system, military gateway, and communications switching systems; electronic mirror; military computers; and inertial navigation systems. It provides its communication solutions for hotels, public institutions, medical institutions, educational institutions, production facilities, retail business, finance institutions, and transportation institutions. The company also exports its products and technologies to approximately 30 countries. The company was incorporated in 1986 and is headquartered in Istanbul, Türkiye.