🧩 WM1302 Raspberry Pi HAT – LoRaWAN Expansion for Pi-Based Gateways The WM1302 Pi HAT is a streamlined expansion board for Raspberry Pi that enables direct connection to the WM1302 LoRaWAN module, built around the Semtech SX1302 LoRa concentrator chip. With support for the mini-PCIe interface, it simplifies hardware integration and speeds up LoRaWAN gateway development. 🔌 Designed to work with all Raspberry Pi boards up to 4B, this HAT offers a plug-and-play solution for long-range wireless connectivity—perfect for IoT systems, smart farming, and industrial telemetry. 🌟Features 📐 Standard HAT Layout – 40-pin female header ensures full GPIO compatibility 🍓 Broad Pi Support – Fully compatible with Raspberry Pi 4B and earlier models 📡 Integrated GPS Receiver – Improves timing synchronization and location tracking 🔐 Built-in LoRaWAN Security Chip – Provides secure authentication and identity protection ⚙️ Overview The WM1302 Pi HAT is a purpose-built adapter board that links the WM1302 LoRaWAN Gateway Module (SPI) to Raspberry Pi systems. Featuring the Semtech® SX1302 baseband processor, it delivers enhanced long-range communication with greater sensitivity, lower energy use, and better thermal efficiency than older chips like the SX1301/SX1308 🔋❄️. 🧠 With its mini-PCIe slot, the HAT maps the 52-pin connector directly to the Pi’s 40-pin GPIO, reducing wiring complexity and enabling native LoRa and LoRaWAN protocol support on Raspberry Pi-based gateways. 📍 The onboard GNSS module enhances timing accuracy and geolocation, making it ideal for precision agriculture, urban IoT infrastructure, and other wireless sensor networks 🌾🏙️📶. Hardware Overview Specification Dimensions 56*65mm Weight 0.501 Operating Voltage 5V Power Interface 40 Pin Header or USB Raspberry Pi 40-Pin Headers Support Raspberry Pi 4 BSupport Raspberry Pi 3 A+/B/B+Support Raspberry Pi 2 BSupport Raspberry Pi A+/B+Support Raspberry Pi Zero/Zero W PCIe Header 52 Pin Mini-PCIe Header GNSS Suport GPS L1, GLONASS L1, BeiDou B1 Battery Exclude Part List: WM1302 Pi Hat *1 GPS Antenna *1 M2.5*6mm Screw *8 M2.5*11.0mm Stud *4 M2.0*H6.0mm Screw *2 Application LoRaWAN Gateway device/hotspot development Long-distance wireless communication application development Any learning and experimentation based on Raspberry Pi LoRa and LoRaWAN application learn and research Dimensions Documents WM1302 Pi Hat v1.0.sch WM1302 Pi Hat v1.0.pdf WM1302 Pi Hat v1.0.brd 📦 Use Cases LoRaWAN Gateway Prototyping – Build and test custom hotspots using Raspberry Pi and WM1302 Long-Range Wireless Projects – Ideal for remote sensing and telemetry applications Educational IoT Development – Great for learning LoRaWAN protocols and Raspberry Pi integration Smart Infrastructure Research – Deploy in smart city, agriculture, or industrial monitoring scenarios 📏 Mechanical Dimensions
