Specification

1. Technical Details

Module

  • User I/O

    • 2x button (1 Reset, 1 General Purpose)

    • 1x LED (1 General Purpose)

  • Hardware/Software Uart Selector

  • Antenna connections

    • 1x U.FL for LTE-Cat.M1/NB-IoT antenna

    • 1x U.FL for GPS antenna

  • RS-485 Interface (THVD1400DR)

    • Transceiver: THVD1400DR (RS-485, Half-duplex)

    • Supply voltage: 3.0 - 5.5V

    • Data rates: 500 kbps

  • Form factor

    • 68.58mm x 53.34mm

Nordic Semiconductor nRF9151 SiP

  • Microcontroller

    • Arm® Cortex®-M33

      • 247 EEMBC CoreMark® score running from flash memory

      • Data watchpoint and trace (DWT), embedded trace macrocell (ETM), and instrumentation trace macrocell (ITM)

      • Serial wire debug (SWD)

      • Trace port

      • 1 MB flash

      • 256 KB low leakage RAM

      • Arm TrustZone®, CryptoCell 310

      • 4x SPI, 4x I2C, 4x UART, I2S with EasyDMA

      • Digital mircrophone interface (PDM), 4x pulse width modulator (PWM) units with EasyDMA

      • 12-bit, 200 ksps ADC with EasyDMA - 8x configurable channels with programmable gain

      • 3x 32-bit timer with counter mode

      • 2x real-time counter (RTC)

      • Programmable peripheral interconnect (PPI)

      • 32x GPIO

      • Single supply voltage from 3.0 V – 5.5 V

      • Integrated clock sources

      • LGA package 12.1x11.1x1.2 mm

  • LTE modem

    • Transceiver and baseband

    • 3GPP LTE release 14 Cat-M1 compliant

    • 3GPP LTE release 14 Cat-NB1 and Cat-NB2 compliant

    • 3GPP LTE release 17 IoT NTN compliant

    • GPS receiver

      • GPS L1 C/A supported

      • QZSS L1 C/A supported

    • RF transceiver for global coverage

      • Power Class 3 up to 23 dBm output power

      • Power Class 5 up to 20 dBm output power

      • -108 dBm sensitivity (Cat-M1) for low band, -107 dBm for mid band

      • Single 50 Ω antenna interface

    • LTE band support in hardware

      • Cat-M1: B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66, B85, B106

      • Cat-NB1/NB2: B1, B2, B3, B4, B5, B8, B12, B13, B17, B19, B20, B25, B26, B28, B65, B66, B85. B106

      • IoT NTN: B23, B249, B252, B255, B256

    • Supports SIM and eSIM with an ETSI TS 102 221 compatible UICC interface

    • Power saving features include DRX, eDRX, PSM

    • IP v4/v6 stack

    • Secure socket (TLS/DTLS) API

  • DECT NR+

    • Maximum transmission power 21 dBm (Class II) on bands 1, 2, 9, 22

    • Maximum transmission power 19 dBm (Class III) on band 4

  • Supports 4FF Nano SIM

2. PIN MAP

  • Pin Description (Counterclockwise from top-left)

No.
Name
Direction
Features / Description

1

LED_BUSY/P0.06

Output

Gerneral-purpose LED (active low, red)

2

LED_BUSY/P0.05

Output

Gerneral-purpose LED (active low, green)

3

BTN0/P0.04

Input

Gerneral-purpose Button (internal pull-up)

4

BOOT

Input

Boot configuration pin

5

IOREF

Output

Reference voltage from Arduino

6

RESET

Input

System reset

7

3.3V(OUT)

Output

3.3V regulated output

8

5V(OUT)

Output

5V regulated output

9

GND

Ground

10

GND

Ground

11

VIN

Input

External power input

12

HW_RX

Input

Hardware UART receive

13

HW_TX

Output

Hardware UART transmit

14

SW_RX

Input

Sowfware UART receive

15

SW_TX

Output

Sowfware UART transmit

16

GND

Ground

17

AREF

Input

Analog reference voltage for ADC

18

D18/SDA

I/O

I2C data line for external communication or sensor interface

19

D19/SCL

I/O

I2C clock line for external communication or sensor interface

  • Additional Hardware Interfaces (Counterclockwise from top-left)

Name
Features / Description

J-LINK

10-pin SWD debug connector for programming and debugging

RS485

Half-duplex RS-485 transceiver interface for industrial communication

UART PIN SELECT

Solder-selectable resistor pads to switch UART routing between Hardware (HW_TX/RX) and Software (SW_TX/RX) lines

SIM-SLOT

4FF Nano SIM socket (ETSI TS 102 221)

RST BTN

Reset push button connected to the nRF9151 reset line

LTE ANT

U.FL connector for LTE antenna

GPS ANT

U.FL connector for GNSS antenna

nRF9151

Low power SiP with integrated LTE-M/NB-IoT and DECT NR+ modem, and GNSS

3. Dimensions