Stratus Pro nRF9151 Overview

nRF9151 + nPM1300

Board Layout

Conexio Stratus Pro nRF9151 V1.0 top view.

Conexio Stratus Pro nRF9151 V1.0 bottom view.

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

3MB

Stratus Pro nRF9151 Reference Manual.pdf

PDF

Open

Stratus Pro Reference Manual