- Bluetooth 5.3 SoC (Nordic nRF52840)
- Four 12-pin female connectors
- Digilent Pmod™ Compatible
- One port with controllable VDD supply voltage
- +3.3V LDO regulator
- USB Micro B connector for data and/or power
- Two NFC antenna connectors
- Nordic flex PCB antenna port
- 2-pin, 2.54mm pitch, plated through holes
- Configurable power supply source
- USB Micro B +5V
- VDD_HV pin header (2.5V to 5.5V)
- VDD pin header (1.7V to 3.6V)
- CR2032 coin cell battery
- Two SWD debug connectors
- 6-pin Tag-Connect (TC2030)
- 10-pin Cortex Debug
- Two LEDs (green, amber)
- Two buttons (reset, user)