PCTEL, Inc., together with its subsidiaries, provides industrial Internet of Thing devices (IoT), antenna systems, and test and measurement solutions worldwide. It operates in three segments: Enterprise Wireless, Intelligent Transportation, and Industrial IoT. The company designs and manufactures precision antennas and Industrial IoT devices that are deployed in small cells, enterprise Wi-Fi access points, fleet management and transit systems, and in equipment and devices for the industrial IoT. It also offers radio frequency test and measurement products that enhance the performance of wireless networks with a focus on LTE, public safety, and 5G technologies. The company supplies its products to wireless equipment distributors, public and private carriers, wireless infrastructure providers, and value-added resellers, as well as original equipment manufacturers. PCTEL, Inc. was incorporated in 1994 and is headquartered in Bloomingdale, Illinois.