A BT4.1 & BT4.2 module maker based on Nordic nRF51 & nRF52 solution
(nRF51822 & nRF51422 & nRF52832 & nRF51802)
Mesh Network is future of IoT, also an issue that raised most interests among developers.
With the official Bluetooth Mesh nearing release by SIG, Nordic offers nRF Connect Mesh to provide a solid tools for developers to create mesh-enabled projects.
For more detail, pls click below link
Developers also can access the sample code from below link