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As you may already be aware, SPP is an RFCOMM based profile for Classic Bluetooth BR/EDR connections only; according to our applications team, SPP over BLE is not theoretically possible.
However, they did go on to say that it's quite possible to implement a “SPP like” connection and pass data between 2 BLE devices, but the end result would be that the system would not be interoperable; this should not be a problem if your customer is on both ends of the connection, for example, an application on the iPhone and a device.
Unfortunately, we do not have any pre-made code develop for this application.
Yes my customer will have control over both ends, mobile phone and the equipment with the SMART module in it.
Thanks for your help - I am looking for a consultant to develop code for the app if anyone wants to talk.