WisDuo LPWAN Module RAK4260
The RAK4260 LPWAN Module is based on Microchip's ATSAMR34J18B. It is a SiP device integrating a 32-bit ARM Cortex -M0+ MCU with a LoRa Transceiver in a compact surface mount package.
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Overview
The RAK4270 LoRa Module includes an STM32L071 MCU and an SX1262 LoRa chip, which supports 8 spreading factors (SF5 ~ SF12) and signal bandwidth that can be adjusted between 7.8 kHz to 500 kHz. It has Ultra-Low Power Consumption of 2.31 μA (down to 1.61 μA @ 2.0 V), but during the Transmit mode, it can reach the maximum output power of 22 dBm. As a receiver, it can achieve a sensitivity of -138 dBm
The module complies with the LoRaWAN® 1.0.2 protocol, so it can be used for implementing LoRa® networks or LoRa® point to point communications. The module is suitable for various applications that require long-range data acquisition and low power consumption, such as smart meters, supply chain and logistics tracking, agricultural sensors, smart cities, etc.
This module is expected to be controlled by an external controller through its UART interface by sending a set of AT commands. These AT commands control not only the state of this module but also set the LoRaWan® communication parameters and payloads (see RAK AT Command Manual).
Features
It has Ultra-Low Power Consumption of 2.31 μA (down to 1.61 μA @ 2.0 V)
Perfect for ultra-long transmission
Highly sensitive in LoRa® modulation (~138dBm)
Low Cost
Stronger signal transmission (22dB max@PA_BOOST)
Easy-to-use
LoRa module is suitable for applications in Smart City, Smart Agriculture, Smart Industry.
LoRa bandwidth range of 7.8 kHz to 500 kHz, SF5 to SF12, BR=0.018~62.5 kb/s
Specifications for WisDuo LPWAN Module RAK4260
| LoRaWAN | |
|---|---|
| Configuration Interface | USB |
| Uncategorized | |
| Frequency band | AS923 or AU915 or EU868 or IN865 or KR920 or US915 |
| Class | Class A, B, C |
| LoRaWAN version | 1.0.2 |
| Chipset | ATSAMR34J18B |
| Sleep Power consumption | 860nA |
| P2P support | No |
| Max Transmit power | 20dBm |
| ARM Cortex | ARM Cortex M0+ |
| Spread Factor | SF7~SF12 |
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Description
The RAK4260 WisDuo LPWAN Module is based on Microchip’s ATSAMR34J18B. It is a SiP device integrating a 32-bit ARM Cortex M0+ MCU with a LoRa Transceiver in a 15 mm x 15 mm compact package.
The SAM R34 chip provides a number of highly configurable peripherals (configurable as I2C/SPI/UART interfaces). There are 12-bit ADC in addition to the aforementioned.
It is a perfect solution for any LoRaWAN end node developer. The integration of the MCU and LoRa Transceiver reduces size and minimizes costs. Having such a compact solution within a single package reduces time to market and allows for rapid development and deployment for a number of scenarios.
RAK4260 is a solution that is cost-efficient and flexible that can be deployed in a wide variety of IoT scenarios that require the long-range connectivity and great battery life that LoRaWAN provides.
#Features
- Industry's lowest power LoRa SiP device
- 32-bit ARM Cortex M0+ MCU and LoRa Transceiver
- Small form factor: 15 mm x 15 mm compact package
- 256 KB Flash and 40 KB RAM accommodates application code and stack
- Most cost and size effective solution, eliminating the need for external MCU
- Fully supported 862 to 1020 MHz frequency coverage
- Receive Sensitivity down to -148 dBm
- Maximum Transmit Power up to 20 dBm
- Low RX current of 17 mA (typical)
- LoRa Technology, (G)FSK, (G)MSK
#Specifications
#Overview
The overview section covers the RAK4260 WisDuo LPWAN Module board overview where both top and bottom views are presented. It also includes the functional block diagram showing the interfaces of the board.
#Board Overview
Figures 1 and 2 present the different views of the RAK4260 chip labeled for proper reference.
#Block Diagram
The block diagram of the RAK4260 shows the various interfaces for the specific functionalities set in the product overview.
#Hardware
The hardware specifications are categorized into five parts. It presents the schematic diagram and pinouts of the module. This section covers also the electrical, mechanical, and frequency parameters including tabular data and diagrams of the RAK4260 WisDuo LPWAN Module board.
#Pin Definition
Provided in this section is the pinout of the RAK4260 WisDuo LPWAN Module.
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