ETA General Communications Technician Level 1 (GCT1) exam help guide

ETA General Communications Technician Level 1 (GCT1) is an ETA International certification modeled after communications systems basics and U.S. Department of Homeland Security guidance covering fundamental disciplines in the COMT program. ETA describes the purpose as providing basic communications electronics knowledge for new radio communications technicians and engineers working in public safety communications or business and commercial radio fields.

ETA Press lists GCT1 as a stand-alone certification with maintenance required, a 4-year term, no hands-on requirement, 75 questions, a 75% passing score, and 2 hours allowed to test. ETA's 2023 competency outline covers workplace, RF, tower, fiber, and laser safety; Ohm's law, Watt's law, AC/DC, circuits, dB/dBm, harmonics, SI units, tools, components, connectorization, AC/DC power systems, UPS, generators, batteries, breakers, RF fundamentals, FCC rules, propagation, spectrum bands, modulation, radio types and systems, antennas, transmission lines, RF interference, data networks, fiber optic systems, test equipment and methods, telephony, satellite communications, environmental systems, physical plant, head-end, site access, battery configuration, and cybersecurity awareness.