Vintage : DUOFONE : Telephone Amplifier : RADIO SHACK Cat. No. 43-278 : Tested

Experience the charm of yesteryear with the DUOFONE Telephone Amplifier from RADIO SHACK, catalog number 43-278. A testament to the era's engineering, this vintage piece has been tested to ensure it's ready to be a standout addition to any collection of classic communication equipment. Its presence in your home or office will not only be a conversation starter but also a tribute to the golden age of radio and telephone technology.