remote control

Wireless remote switch function and principle

With the progress of society, wireless remote control switches have been widely used, wireless remote control switches are designed and manufactured using high-tech radio frequency identification technology, and wireless remote control switch devices are used to control all kinds of lighting, household appliances, doors, curtains and other household items. It is a new type. The intelligent switch can wirelessly control indoor lamps and household appliances. The operation is simple and convenient, and the performance is stable and reliable. It is loved and sought after by consumers. The following is a detailed introduction of the principle of the wireless remote control switch.

rf remote switch

Wireless RF Remote Switch – Function

Before understanding the principle of the wireless RF light switch, let us first understand the function of the wireless remote control switch. The wireless remote control switch adopts radio frequency identification technology in the design and production, has no directionality, and will not cause any influence and interference with other models of the same type. Confidentiality, stable performance, low power consumption, large storage capacity, easy to use, allowing lamps to be turned on at the same time or individually, switches and remote controls do not have to be purchased, users are free to choose, low bit error rate, and strong anti-interference ability.

Wireless RF Remote Control Switch – Advantage

Wireless remote control switch installation is very simple and convenient, no need to connect the zero line, no need to make any changes to the lighting and electrical appliances, can directly replace the original switch, after the power outage call, the switch will automatically shut down, to avoid wasting unnecessary power , You can centrally control all the family’s smart RF remote control. In terms of style, the design is also a wide variety of options for a very wide range, you can use the wireless remote control switch and the traditional mechanical switch to use, convenient and simple.

Wireless RF Remote Switch – Principle

The wireless remote control switch is composed of a combination of a transmitter and a receiver. The wireless RF transmitter encodes the controller’s control button and modulates it to a radio frequency signal to transmit a wireless signal. It can also be said to be an encoder. The receiver decodes the received wireless signal and then decodes it to obtain the signal corresponding to the control button, and then controls the corresponding circuit to work. It is also referred to as a decoder. With the advancement of science and technology, wireless remote control switches have been widely used in industrial control and wireless smart home fields.

Wireless RF Remote Switch – Classification

Due to the variety of types and functions of wireless remote control switches due to scientific and technological advancement, the carriers according to the transmission control command signals can be divided into: radio remote control, ultrasonic remote control, infrared remote control, and can be classified into frequency encoding and pulse encoding according to different encoding methods of signals. The number of transmission channels can be divided into multi-channel remote control and single channel. According to the number of instructions that can be transmitted at the same time can be divided into single and multiple remote controls, the control technology of the controlled target according to the command signal can be divided into switch type Proportional remote control.

Wireless RF remote control switch – composition

The commonly-used wireless remote control switch is composed of two parts: transmit and receive. The principle of wireless remote control switch is also analyzed according to transmission and reception. The transmitter part is the remote controller and the transmitter module. The remote controller is used as a complete machine to be used independently. There is a wiring pile head externally, and the remote control module is used as a component. The receiving part is the super-heterodyne and super regeneration receiving mode. Regenerative demodulation circuit It is actually a regenerative detection circuit operating in intermittent oscillation.


The above is the introduction of the principle of the wireless remote control.

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