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Amazon.com: HiLetgo 5 Sets 433M Transmitter + Receiver Kit High Frequency Super Regenerative Transceiver Module for Burglar Alarm : Electronics
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Amazon.com: GAMA Electronics R.F. Transmisor para 4 motores 12 VDC Control : Herramientas y Mejoras del Hogar
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433 MHz Smart Wireless RF Remote Control Switch Mini Small Relay Circuit Receiver Module DC 3.7v 5v 6v 9v 12v 1 Channel Battery Power with ON Off Transmitter Latching Controller - Amazon.com
