Garage Door Repair & Service in Chicagoland Area


How do Garage Door Openers work?

The garage door opener remote is a radio transmitter. Modern garage door openers are radios that operate at 315 MHz. The remote sends a signal to the opener itself, which has a radio receiver built in. When the opener hears a signal from the transmitter, it activates a relay that starts the motor running. Early […]

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