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2-meter RF Transmitter/Receiver

Discussion in 'Radio and Wireless' started by abuhafss, Jan 13, 2017.

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  1. abuhafss


    Aug 3, 2010

    I am looking for RF Transmitter/Receiver circuits something like shown in this video:

    I need the Rx to light up an LED as long as a signal is received at the input of the Tx.
    I understand that the circuits shown in the video can easily fulfill my requirements, but since my required working range is only 2 meters (even 1 meter would do); I want a minimum components set-up without involving those Rx/Tx modules.

    Any help/suggestions shall be highly appreciated.

    EDIT: The antennas in both circuits should preferably be short.
    Last edited: Jan 13, 2017
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Use a cheap wireless doorbell?
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