DTMF DECODER CONTROLLED 8 RELAY'S WITH 4 DIGIT SECURITY CODE OR WITHOUT.AUDIO INPUT IS CONNECTED ON TRANSCEIVER,LINKS,RECEIVERS,PHONES,REPEATERS,ETC FOR REMOTE CONTROL.VERY HIGH STABILITY IN HIGH EMI AREAS.IDEAL FOR A LOT APPLICATIONS. IF YOU WANT THE DECODER WITH RELAY'S PLEASE CONTACT ME. IF YOU WANT THE LAST RELAY STATE PUT TO MEMORY AND THE NEXT POWER UP RELAY ARE SET TO THIS STATE PLEASE TELL ME. FOR MORE DETAILS PLEASE DOWNLOAD :rapidshare.com/files/93194226/dtmf.pdf
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