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Bluetooth Low Energy v4.1 Role Switching

Question asked by Kelvin Leung Employee on Sep 30, 2014

One of the key enhancements for BLE in v4.1 is the added support for a slave device to be able to connect to TWO master devices, i.e., the slave device can simultaneously belong to two star networks. This was not allowed in v4.0 specification.

A slave device can also act as a bridge between two star networks. However, this is not explicitly covered in v4.1 of the spec. The topic of a slave devices to act as a bridge between two star networks and the master-slave role-switching are expected to be resolved in future versions of the specification.