TekTone PK543A Apartment Intercom Amplifier for 5-, 4- & 3-Wire Remote Station

Information Name:AMP P/S, 5-4-3-WIRE APT STNSDescription:Amplifier/Relay/Power Supply For 5, 4 & 3 Wire ApaCategory:Nurse Call ?TelephonyUPC Code:812664020061 Also known as -Tektone Sound & Signal Mfg,Inc AMP P/ S, 5-4-3-WIRE APT STNS - T9-PK543A