About this course
Refresh your foundational communications knowledge through 40 hours of continuing education at the GCT1 level. Review electronics theory, Ohm’s law, decibel calculations, RF fundamentals, antennas, fiber optics, radio propagation, and data networks. The course also revisits lockout/tagout, safe tool use, communication service monitors, and spectrum analyzers. Complete the course activities and assessments, retain your completion records, and confirm the applicable renewal requirements with ETA International. This is continuing education; course completion does not award a new professional certification or automatically renew an existing credential.