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However, several developers came up recently and queried that there are some Raytac alike modules selling on the market. To avoid the confusion for all developers, here’s a quick way to identify: all Raytac’s modules are equipped with an shielding case with company name “ Raytac Corporation” engraved.


The Bluetooth organization, SIG, recently released mesh networking specifications. It is the solution which define the requirements to implement many-to-many mesh networking based on Bluetooth Low Energy, as known as BLE.

