Plainfield Radio League
- An ARRL-affiliated club serving the Plainfield-area and Joliet. Sponsors the WW9AE 70cm ARES repeater 444.550 + 114.8. Meets last Wednesday of the month at the Plainfield Family Restaurant at U.S. Rte. 30 and Renwick Road at 7:00 p.m.
KEYCOM Characteristic Technologies
- Millimeterwave/Microwave transmission lines and components, Cryogenic temperature application transmission cables and systems, Permittivity(Dielectric rate) and Permeabillity measurement systems, Antennas, Radar systems
- CB Radio and 10 through 12 meter band radio dealer. Ranger Communications factory authorized dealer. Service 10 and 12 meter and CB radios.
- Distributor of electronic's, also carry astatic, cherokee, cobra, dosy, firestik, solarcon,CB radios,10 meter radio's, antennas, microphones, power supplies, echo boards, expanders, meters and CB accessories along with Mobile audio/video products.