Silicon Labs offers Bluetooth low-energy (Bluetooth Smart) modules to support any application. The BT111 provides an HCI Bluetooth 4.0 option that is compatible with Windows and Linux operating systems and Microsoft and BlueZ software stacks. The BLE112 and BLE113 integrate all the features required for a Bluetooth smart application-radio, software stack, and GATTbased profiles. The BLE112 has side-castellations and the BLE113 is an LGA form-factor. The BLE113-A-M256K provides the available memory to support over the air (OTA) firmware updates.