This repository provides insights and relevant information about the LoRaWAN ecosystem, with a primary focus on building a LoRaWAN-compatible gateway. The main objective is to develop a gateway capable of receiving data from an end-node and forwarding it to The Things Network (TTN). To achieve this, we will explore the three key components of a LoRaWAN network: the end-node, the gateway, and the network server. This documentation aims to provide a comprehensive understanding of the concepts, components, and configuration involved, with an emphasis on gateway development.
Gateway
WM1302 LoRaWAN Gateway Module (915MHz Version) 🔗
SenseCAP M1 Board 🔗
Raspberry Pi Zero 2W 🔗
- Role: LoRaWAN Gateway Chip (Baseband Processor)
- Description: The SX1302 is a high-performance LoRa baseband concentrator chip used in LoRaWAN gateways. It can demodulate multiple LoRa signals simultaneously, making it ideal for handling large numbers of end nodes.
- Use Case: Designed for gateways that receive and process LoRa packets from multiple end nodes and forward them to a network server.
- Key Features:
- Multi-channel LoRa reception
- Low power consumption compared to the SX1301
- Supports 8 uplink channels + 1 downlink channel
- Reduced latency and improved network performance
- Datasheet
- Role: LoRa End Device Chip (Transceiver)
- Description: The SX1262 is a LoRa transceiver chip designed for LoRa end devices (nodes) to send and receive LoRa packets.
- Use Case: Ideal for battery-operated IoT sensors and end nodes communicating with a LoRa gateway.
- Key Features:
- Supports both LoRa and FSK modulation
- Lower power consumption compared to the SX127x series
- Improved link budget for better range and reliability
- Long-range communication support
- Available in multiple frequency bands (EU, US, etc.)
- Datasheet
- Role: RF Transceiver Front-End
- Description: The SX1250 is an RF front-end chip designed to work alongside the SX1302 for RF reception and transmission in LoRaWAN gateways.
- Use Case: Employed in modern LoRaWAN gateways, such as the WM1302, to improve performance and reduce power consumption.
- Key Features:
- Higher sensitivity than the SX1257
- Lower power consumption
- Multi-frequency band support
- Datasheet
- Role: Complete Gateway Module (Based on SX1302)
- Description: The WM1302 is a complete LoRaWAN gateway module that integrates several components to handle multi-channel LoRa communication.
- Use Case: Used in LoRaWAN gateways to provide enhanced LoRa reception and transmission capabilities.
- Key Features:
- Uses the SX1302 as the baseband processor
- Integrates the SX1250 RF front-end and SX1262 LoRa transceiver
- Supports LoRaWAN class A/B/C devices
- Datasheet
End-Node
Heltec LoRa v2 Board (915MHz Version) 🔗
- Role: LoRa End Device Chip (Transceiver)
- Description: The SX1276 is a widely-used LoRa transceiver chip for long-range wireless communication in LoRa end devices (nodes). It supports LoRa, FSK, and OOK modulation, making it a flexible option for various IoT applications.
- Use Case: Perfect for battery-powered IoT sensors, industrial monitoring, and remote control systems communicating with a LoRa gateway.
- Key Features:
- Supports LoRa, FSK, and OOK modulation
- Long-range communication with high sensitivity (-137 dBm)
- Configurable spreading factors (SF6-SF12) for adaptive data rates
- Wide frequency range (137 MHz – 1020 MHz), covering multiple regions
- Low power consumption for IoT applications
- Datasheet
Network Server
My gateway is online and successfully connected to TTN. Interestingly, I am now the only available LoRaWAN gateway in São Bernardo do Campo, SP, Brazil.
