STMicroelectronics SPBTLE-RF0TR Bluetooth Module 4.1
STMicroelectronics SPBTLE-RF0TR Bluetooth Module 4.1, Maximum Output Power: 4dBm, Receiver Sensitivity: -88dBm, Supported Bus Interfaces: SPI, Supported I/O Interfaces: IRQ, RESET, SPI, Dimensions: 13.5 x 11.5 x 2mm, Length: 13.5mm, Maximum Operating Temperature: +85 °C, Minimum Operating Temperature: -40 °C, Width: 11.5mm