The Laird ConnectivityvSterling-EWB is a development kit with FlexPIFA Antenna. Sterling™-EWB is a high performance 2.4 GHz WLAN and Bluetooth combo module based on latest-generation silicon (Cypresss CYW4343W) with an integrated ST Micro STM32F412 Corte
Bluetooth 5.1 (Errata) BR DR/LE WLAN and Bluetooth coexistence Cortex M4 microprocessor Operating voltage: 3.0V to 3.6V Operating temperature: -40° to +85° C