Marantec Garage Door Openers are known for their quite drive and reliability. They originally where made with a 40 MHz radio receiver those products are no longer available and newer version of the motor now include a 315 MHz radio receiver. The Marantec series of residential
garage door opener systems are German-engineered and American-built by a
company that has continually brought innovative access system designs and
technology to the market for over 30 years.