NINA-B31 series (u-connect)

Stand-alone Bluetooth 5 low energy modules

Full Bluetooth 5 made easy

Standard

Professional

Automotive

NINA-B311

With antenna pin, 10.0 x 11.6 x 2.2 mm, use with u-connectXpress

NINA-B312

With internal PIFA antenna, 10.0 x 15.0 x 3.8 mm, use with u-connectXpress

NINA-B316

With internal PCB antenna, 10.0 x 15.0 x 2.2 mm, use with u-connectXpress

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Documentation & resources

Product variants	NINA-B311	NINA-B312	NINA-B316
Short Range Features
Bluetooth qualifications	v5.0 (Bluetooth Low Energy)
Chip inside	nRF52840
Bluetooth low energy output power EIRP [dBm]	10
Throughput Bluetooth	0.8
Bluetooth profiles and services	Bluetooth GATT
CPU Features
Microprocessor on boards	Standalone module u-connect
Interfaces
UART	2
USB	1
GPIO	28
Electrical data
Maximum supply [V]	3.6
Minimum supply [V]	1.7
Environmental data, quality & reliability
Maximum temperature [°C]	85
Minimum temperature [°C]	-40
Features
AT command support	✓
Bluetooth high speed (LE 2M PHY)	✓
Bluetooth long range (coded PHY)	✓
Bluetooth mesh	✓
Extended data mode protocol	✓
Factory programmed MAC address(es)	✓
Low energy serial port service	✓
Secure boot	✓
Simultaneous GATT server and client	✓
General features
Antennas	Antenna pin	Internal antenna	Embedded PCB antenna
Dimensions
Dimensions [mm]	10.0 x 11.6 x 2.2	10.0 x 15.0 x 3.8	10.0 x 15.0 x 2.2