Thanks for reply, I hve some question about your reply: What function should I use to listen incoming connection from the specified bluetooth address? Can I use AcceptBluetoothClient() ? Where? In the internal cicle after the control on incoming address? After the use of AcceptBluetoothClient() or similar...

I have had a look about the forums but am still not quite sorted out, I am using WM5. I have a bluetooth printer with no pass key so i am enabling the serial port using dev.SetServiceState(BluetoothService.SerialPort, true); I am then able to get a virtual port and use this with FieldSoftware PrinterCE...