Electronic Systems Technology, Inc. engages in the development and manufacturing of digital data radio transceivers. It offers industrial wireless products which delivers communication links between computer networks, network enabled devices, and mobile devices without cable. Its products include ethernet and serial radios, ESTeem Edge Access+, Virtual Schoolhouse Suite, long range wireless network camera and video monitoring solutions, and real time spectrum analyzer. The firm serves the water and wastewater, mining, oil and gas, material handling, energy, agriculture, factory, and public safety sectors. The company was founded by Thomas L. Kirchner in 1982 and is headquartered in Kennewick, WA.