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Bt Retro01Chris writes “After reading this article about how to make a DIY Retro Cellphone Handset, I just had to post an article about how I made my Bluetooth Handset…surprisingly there is no how-to to do this (AFAIK). Although it’s very simple. Here is what you need: An old telephone or just the handset. I used an old telephone form former East Germany (GDR/DDR) called “Apart 2001″, produced in the VEB Fernmeldewerk Nordhausen/RFT in the year 1990.” Link.