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DC 12v 10A relay wireless RF Remote Control Switch Transmitter Receiver 433MHZ - 1 Channel - Without CaseWhat is the RF signal ? RF (Radio Frequency) signal is an electromagnetic wave used for wireless communication and broadcasting. It operates in a frequency range of 3 kHz to 300 GHz, which is used for various applications such as remote controls, radio and...
- $2.84
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- $2.84
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