The BT SDK contains everything you need to build applications for the following dual mode (BR + EDR + BLE) Bluetooth 5.0 core spec compliant solutions: CYW20706, CYW20719B2, CYW20721B2, CYW20735B1, CYW20819, CYW20820, and CYW89820. The SDK, along with the ModusToolbox IDE and configurator tools, form a powerful but easy to use toolset that helps you create amazing Bluetooth-enabled IoT solutions like beacons, trackers, smart watches, audio devices (headsets, speakers), hid devices (remotes, mice, keyboard), medical devices, and home automation platforms.