What are the types of remote control garage door remote control

 What is the performance of the garage door remote control? It is divided into different types and types in the specific process. Generally speaking, the garage door remote control usually uses the radio remote control in the remote control, not the infrared remote control, because compared with the infrared remote control commonly used in home appliances, the radio remote control has the following advantages. The radio remote control uses radio waves to transmit control signals. It is characterized by non-directionality, no "face to face" control, long distance, susceptible to electromagnetic interference.

In the fields that require long-distance penetration or non-directional control, such as remote A radio remote control is a remote control device that uses radio signals to control various institutions in the distance.garage door control, electric industrial door control, etc., it is easier to use a radio remote control.

Remote garage door carrier frequency is fixed. The super-heterodyne receiver is stable and has relatively good anti-interference ability; the super-regenerative receiver is small in size and cheap. The commonly used carrier frequency of radio remote control is 315mHz or 433mHz. The remote control uses the open frequency band stipulated by the state. In this frequency band, if the transmission power is less than 10mW, the coverage is less than 100m or the range of the unit is not exceeded, it can be used freely without the approval of the "Radio Regulatory Commission". The open frequency band in my country is 315mHz, while in Europe and the United States and other countries it is 433mHz, so the products exported to the above countries should use 433mHz remote control.

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