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

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
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
