The Ultimate Vintage Radio Upgrade: Bluetooth Module 

Bluetooth adapters are available, if you need any just drop me a message! 6-pin, 7-pin, and hooked as well. BECKER, BLAUPUNKT, GRUNDIG, and many other radios with 6 or 7-pin Din connections on the back of the radio. All you have to do is pair your smartphone and enjoy high-quality streaming. If your device is paired, your device will play it and if it is not paired, normal radio operation will continue! No more cables and no need to unplug the back of the radio! As soon as the paired device remembers the phone, pairing is no longer necessary the next time. Technical specification: Bluetooth V4.0 + EDR Bluetooth protocol: HFP V1.5 A2DP (1.1), AVCRP1.3 Frequency response: 80Hz-22KHz It works with every smartphone and device on the market. Custom versions available on request Module price: 100,- EUR + worldwide shipping PayPal Compatibility: Modules are compatible with Blaupunkt from 1967 and Becker from 1968. Blaupunkt with the milk-white covers over the 6-pin din, Frankfurt with serial starting from 50XXXXX Not compatible - Becker 1981 - 2002 Radios from this time period were not manufactured with a simple rear panel connection for aux. These radios will need internal modification to work with Bluetooth.