Stratus Pro nRF9151 Overview
nRF9151 + nPM1300
Board Layout
Hardware Version V1.4 2026
Technical specifications and features
Most of the specifications outlined below are based on Nordic's nRF9151 Product Specification.
MCU: Latest Gen Nordic nRF9151 SiP
ARM Cortex-M33 with 1MB Flash
256kB RAM
ARM® TrustZone®
ARM® Cryptocell 310
Up to 4x SPI, I2C, and UART with Easy DMA
I2S w/ EasyDMA
4x PWM with EasyDMA
12bit SADC with EasyDMA
2x RTC
PPI (Programmable peripheral interconnect) interface
Modem
Transceiver and baseband
3GPP LTE release 14 LTE-M/NB-IoT support
DECT NR+ ready
NTN ready
GPS/GNSS receiver
RF Transceiver for global coverage supporting bands:
B1, B2, B3, B4, B5, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B65 (new), B66, and B85 (new)
Supports 4FF Nano SIM
Pre-programmed MCUBoot bootloader
nPM1300 Power Management IC
800 mA battery charger
Dual 200 mA buck DCDC regulator
Battery fuel gauge controlled via I2C
Battery charge status and protection
Battery charging over USB-C
Energy harvester IC
Onboard battery charger with solar energy harvester
Continuous Charge Current Up to 1A
Input supply voltage of 4.4-6V
Supports battery types Li-ion, Li-Poly, and LiFePO4 chemistries
Automatic charge current adjustment based on the output capability of the input power supply
Board Operating Power Supply
Operating range 1.8 to 5.5V
External LiPo battery connection (2 Pin JST type)
Maximum output current: 800mA
Stratus Output Voltages (Accessible via Headers)
1.8V
3.3V
5V (VUSB)
VBAT
USB-TYPE-C
USB-to-Serial communication
Device Firmware Update (DFU) over USB
Application firmware programming and debugging over USB
LiPo battery charging
Debugger & Programmer
Supports J-Link and CMSIS-DAP-based programmers
Onboard 10-pin 0.05" (1.27mm) SWD/JTAG pin connector
User I/O
Feather compatible header
28 user-programmable GPIOs
2 x push buttons (1 x Reset, 1 x user-programmable)
1 x user-programmable LED
1 x RGB LED connected to nPM1300 PMIC (V1.4 Hardware only)
Antenna connections
1 x U.FL for LTE-M/NB-IoT
1 x U.FL for passive GPS antenna
Onboard sensors
nPM1300 Battery fuel gauge
The internal temperature sensor of nRF9151
External Storage
16 KBit I2C EEPROM memory (24CW160T)
External Peripheral Interface
Stratus Pro board has a QWIIC connector to interface external shields, sensors, and much more.
Power switch
SPDT slide switch for turning ON/OFF the power to the Stratus Pro board
SIM Compatibility
4FF Nano SIM card holder
eSIM footprint to solder your own
Software-based SIM support
Prepaid Data (Not shipped with Bring Your SIM Version BYOS)
500 MB of cellular data
250 SMS
10-year data validity
Service available in 100+ countries (LTE + NB-IoT)
Operating Voltage Selector
Hardware jumper for selecting between 1.8B and 3.3V operating voltage.
Physical Size
67.04 mm x 22 mm
Hardware Revision Changes V1.4 (2026)
Addition
nRF9151-LACA-A1A chipset
1 x RGB LED connected to nPM1300 PMIC
Hardware jumper for voltage selection (1.8V/3.3V)
Removed
LIS2DH sensor
Bug
Fixed back power introduced by the CP2102N chipset when USB is connected
Download the Full Datasheet
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