Brand: Entre
EC-20 refers to a military communication system used by the United States Air Force (USAF) and the U.S. Army National Guard for tactical and strategic communications. The EC-20 refers to the specific aircraft modification under which the system is installed, which is based on the Boeing EC-130J Kompass aircraft platform. The EC-20 should not be confused with the EC-20A Guardrail, a different communication system used by the U.S. Army for electronic warfare.