WIFI/BT/BLE Modules 

Combo wireless modules are devices that integrate more than one wireless data interface standard.  The combination becoming more and more wide spread in different IOT applications.

The most common combinations include Wi-Fi, Bluetooth and GPS receivers. They are used in applications including smart phones, smart meters, medical devices, home automation and telemetry. Wi-Fi, Bluetooth share the same frequency bands and have modulation schemes that allow them to coexist, albeit at reduced performance. Wi-Fi, Bluetooth combo modules incorporate

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