On our previous project we had issues doing large data transfers over BLE causing issues (Back then we had connected an iOS device to a RaspberryPI), This time due to connecting almost directly to ModBus/CanBus we worry about Bluetooth issues to ensure reliable serial connections and not cause issues on the other end of the bridge (The IoT Accessory is a simple bridge from BLE to Serial, no caching, no error checking) On paper it seems not to be a major issue, but are there any settings or modes when we setup the CoreBluetooth Connection or techniques we should use to prevent Throughput and reliability issues.

What I am looking for is like a checklist like For Bluetooth example Bluetooth min version required on Accessory (For example 2.0) Service UUID must be similar Error handling routines that must be implemented (or should be implemented) Exceptions that must be handled (Like power lost or reconnection attempts)