RECEIVER FOR PARKING GATE 2

universal single-channel RF (Radio Frequency) remote control relay switch. These are popular DIY tools used to add wireless control to devices like garage doors, lights, or motors.
​What’s in the Box?
​The Black Housing: A protective, weather-resistant case for the electronics.
​The Circuit Board: This is the "brain." It features a blue relay (the switch), a coiled copper antenna for receiving signals, and screw terminals for wiring.
​The Context: The background image suggests its most common use: triggering a garage door opener remotely