Laird Connectivity 455-00031 Bluetooth Module 5.1
Laird Connectivity 455-00031 Bluetooth Module 5.1, Bluetooth Class: Class 2, Maximum Output Power: 12.5 dBm, 14 dBm, 17.5dBm, Receiver Sensitivity: 88 dBm, -72 dBm, -75dBm, Supported Bus Interfaces: I2C, SPI