Description

The LR1262 node module is an ultra-low-power remote transceiver module based on the STM32WLE5CC chip, specially designed for LoRa and LoRaWAN applications. The module provides an easy-to-use, small size and low-power solution ideal for long-range wireless data applications. Compliant with LoRaWAN 1.0.3 specification Class A, Class B and Class C specifications and can easily connect to various LoRaWAN server platforms. In addition, it also supports LoRa point-to-point (P2P) communication mode, which can help you quickly implement a customized long-range LoRa network.

Supports LoRaWAN on EU868 & US915 and supports all major global frequency bands making it ideal for wireless sensor networks and other IoT devices that require battery operation, low power consumption and long-range communications. It can provide reliable connections and efficient data transmission, whether used in smart cities, agriculture, industrial automation or other fields.

Feature

High performance: Transmit power up to 22dBm@868/915MHz; the sensitivity of SF12 is -136.5dBm and the bandwidth is 125KHz;
Ultra-low power consumption, 1.69 μA in sleep mode;
Wireless connection: Embedded remote protocol, supports global remote frequency planning, 150 MHz to 960 MHz frequency range;
Rich peripherals: The module is equipped with UART, I2C, ADC, SPI, GPIO and other interfaces, providing developers with great flexibility to expand peripherals.
Easy to use: Built-in AT command firmware supports customized product development by using SDK;
Compact form factor: 16 x 16x 3.5 mm 32-pin clamp I/O port for PCB SMT mounting;
FCC, CE certification

Specification

MCU	STM32WLE5CCU6（ARM Cortex-M4 32-bit，256-Kb Flash，64-Kb RAM）
RF chip	SX1262 Chip
Transmit power TX	22 dBm@Max
Receive sensitivity RX	l -123 dBm for 2-FSK (1.2 Kbit/s) l -148 dBm for LoRa®
Minimum sleep current	1.69 μA (maximum not exceeding 2.0 μA)
Working current	Transmission: 87 mA (@20dBm 868Mhz) Receive: 5.2 mA
Communication Interface	UART/SPI
Peripheral interface	UART, I2C, SPI, ADC, GPIO
signal modulation	LoRa®、(G)FSK、(G)MSK 、BPSK
LoRaWAN protocol	Class A/B/C (compliant with LoRaWAN 1.0.3 specification)
Airspeed	0.018~62.5 Kbit/s
Frequency Range	150 MHz to 960 MHz
Support frequency band	EU868、US915
Communication distance	5~7 km
ECC function	Built-in main control
Operating Voltage	3.3V
Antenna form	Supports stamp holes or IPEX antenna mounts
Package form	Patch, stamp hole, 32pin
Dimensions	15152.5mm
Weight	2g