KIndly advise if Class 1 BLE 4.0 -20dBm input or/and output sensitivity?
According to the Bluetooth specification, a class 1 device has a transmit power of +20dBm and a range of up to 100 m, a class 2 device has a transmit power of 4 dBm and a range up to 10 m, while a class 3 device has a transmit power of 0 dBm and a range up to 1 m. Where is a value of -20 dBm specified?