# Specification

## 1. Technical Details ### Module * **User I/O** * 2x button (1 Reset, 1 General Purpose) * 1x LED (1 General Purpose) * **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	GND	—	Ground
15	AREF	Input	Analog reference voltage for ADC
16	D18/SDA	I/O	I2C data line for external communication or sensor interface
17	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
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

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