Bosch Mounting Plate ConnectModule For BDU3YYY. Bosch ConnectModule kit for the smart system generation. ConnectModule can track the position of your eBike via a GNSS signal (e.g. GPS). This position is sent via cellular network (LTE & NB-IoT) and displayed in the eBike Flow app. After installation eBike Alarm the Flow+ premium service can be activated and used via the eBike Flow app.