+ Post New Thread
Results 1 to 3 of 3
  1. #1
    Newbie level 4
    Points: 478, Level: 4

    Join Date
    Mar 2012
    Posts
    6
    Helped
    0 / 0
    Points
    478
    Level
    4

    2 phone Intercom circuit diagram which can be used upto 1km in outdoor using ringer

    I want to build a 2 phone intercom which can be used upto 1km using speaker of same phone to create ring on other side please help

    •   Alt7th March 2012, 16:59

      advertising

        
       

  2. #2
    Advanced Member level 5
    Points: 37,620, Level: 47
    mister_rf's Avatar
    Join Date
    Feb 2008
    Location
    Romania
    Posts
    1,874
    Helped
    1046 / 1046
    Points
    37,620
    Level
    47

    Re: 2 phone Intercom circuit diagram which can be used upto 1km in outdoor using ring

    See here similar project:


    http://www.instructables.com/id/Old-...tercom-Device/

    ---------- Post added at 18:16 ---------- Previous post was at 18:12 ----------



    http://www.diy-electronic-projects.c...ality-Intercom





    http://www.afiata.com/full-duplex-in...ice-and-house/


    1 members found this post helpful.

    •   Alt7th March 2012, 17:16

      advertising

        
       

  3. #3
    Newbie level 3
    Points: 28, Level: 1

    Join Date
    Feb 2014
    Posts
    4
    Helped
    0 / 0
    Points
    28
    Level
    1

    Re: 2 phone Intercom circuit diagram which can be used upto 1km in outdoor using ring

    Does any one know how to design a door video intercom?



--[[ ]]--