Processor: ?STM32F205 The commercial fingerprinting algorithm, faster identification High-accuracy optical sensor with a standard 16-pin interface Easy for developing Controlled via UART hence supports any MCU with UART Open protocol
2.4 GHz Transmit and Receive. Transmit power and receive sensitivity comparable to a Class 1 Bluetooth device. Standard Cortex Debug Connector (10-pin 50-mil JTAG) In-System Programming (ISP) Serial Connector Expansion connector intended for inter-Ubertooth communication or other future uses. Six Indicator LEDs