... external proces DESCRIPTIONN71 is Bluetooth4.0 single mode module, device targeted for low power sensors and accessories.The ... remote controls, medical sensors, and fitness trainers.The module can be power directly with a standard 3V coin cell ... on the firmwareFrequency Band2.402G ~ 2.480GMaximum Data Rate1MbpsRF Input Impedance50 ohmsBaseband Crystal OSC16MHzInterface UART, PIO, AIO,Debug ...