{"product_id":"m5stack-lorawan-unit-as923-stm32wle5-with-antenna","title":"M5Stack LoRaWAN Unit AS923 (STM32WLE5) with Antenna","description":"\u003cp\u003e\u003cvideo style=\"border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.08);\" width=\"100%\" class=\"video-container\" controls muted playsinline id=\"video\"\u003e\n  \u003csource src=\"https:\/\/m5stack.oss-cn-shenzhen.aliyuncs.com\/resource\/docs\/products\/unit\/Unit%20LoRaWAN-US915\/LoRaWAN%20Video.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\u003c\/p\u003e\n\u003ch2\u003eM5Stack LoRaWAN AS923 Unit for Regional IoT Networks\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e Unit AS923 adds long-range wireless communication to embedded controllers, sensor nodes, and remote monitoring equipment that operate on the AS923 923–925 MHz band. Built around STM32WLE5, it combines LoRa radio capability with LoRaWAN 1.0.3 support, Class A, B, and C operation, OTAA and ABP activation, and direct LoRa P2P communication. A host controller communicates through UART at a default 115200 baud rate and can configure the module with AT commands.\u003c\/p\u003e\n\u003ch2\u003eConfirm AS923 Compatibility Before Deployment\u003c\/h2\u003e\n\u003cp\u003eCheck the gateway region, network-server channel plan, and local radio rules before installation. \u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e AS923 is intended for compatible AS923 deployments and should not be treated as an interchangeable substitute for EU868, US915, or CN470 hardware. Matching the regional frequency plan first prevents wasted debugging time when a node cannot join, receives no downlink, or appears to have poor range despite correct application credentials.\u003c\/p\u003e\n\u003ch3\u003eChoose LoRaWAN Network Mode or Direct P2P\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e supports gateway-based LoRaWAN communication for distributed nodes and direct P2P links for local device-to-device exchange. Use LoRaWAN when data must pass through a compatible gateway and network server. Use P2P when two endpoints need a direct radio path without network infrastructure. This flexibility makes the same module practical for field prototypes, local alarm links, and managed telemetry networks.\u003c\/p\u003e\n\u003ch3\u003eIntegrate Through UART and AT Commands\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e keeps radio configuration separate from the main application by exposing a UART interface. The included 20 cm HY2.0-4P Grove cable simplifies connection to compatible hosts, while custom controllers can integrate the serial signals into their own wiring. AT commands support network activation, radio settings, transmission workflows, and troubleshooting without requiring the host application to implement the complete LoRaWAN stack.\u003c\/p\u003e\n\u003ch3\u003eSelect Class A, B, or C for Response and Power Needs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e supports Class A, Class B, and Class C. Class A fits periodic battery-powered reporting with limited receive windows. Class B adds scheduled receive opportunities. Class C keeps receive windows available more continuously for faster downlink response, with higher energy use. Select the class around actual wake intervals, downlink requirements, and power budget rather than using one mode for every node.\u003c\/p\u003e\n\u003ch2\u003ePlan Real-World Range and Power Consumption\u003c\/h2\u003e\n\u003cp\u003eP2P tests reach up to 2300 m at 125 Kbps and 1300 m at 500 Kbps under stated conditions. \u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e range in a real site depends on antenna placement, obstacles, interference, data rate, installation height, and link budget. The included 50-ohm rubber duck antenna is rated at 2.3 dBi and uses an SMA male connector.\u003c\/p\u003e\n\u003cp\u003eFor low-power designs, \u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e uses about 28.61 µA in sleep mode at 5 V and 7.23 mA in idle state. Battery sizing should also include the host controller, sensors, regulator losses, reporting frequency, retries, and transmit duty cycle. Do not estimate runtime from module sleep current alone.\u003c\/p\u003e\n\u003ch2\u003eApplications for M5Stack LoRaWAN AS923\u003c\/h2\u003e\n\u003ch3\u003eRemote Agriculture and Environmental Nodes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e can carry compact sensor payloads from soil monitoring, irrigation status, greenhouse equipment, weather stations, air-quality nodes, and water-level alarms. Long-range radio can reduce new signal cabling where sensor points are dispersed across a site.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Telemetry and Distributed Alarms\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e also fits periodic meter readings, equipment status, threshold alarms, and remote asset monitoring when payloads are small and communication distance matters more than high throughput. For gateway deployments, verify AS923 settings on both the gateway and network server before debugging application code.\u003c\/p\u003e\n\u003ch2\u003eDevelopment Resources\u003c\/h2\u003e\n\u003cp\u003eStart by connecting the antenna before radio tests, checking UART wiring, confirming the AS923 channel plan, and selecting OTAA, ABP, or P2P. Continue development with technical documentation and the platform tools that match the host controller.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.m5stack.com\/en\/unit\/Unit%20LoRaWAN-AS923\" target=\"_blank\" rel=\"noopener\"\u003eTechnical Documentation\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/flow.m5stack.com\/\" target=\"_blank\" rel=\"noopener\"\u003eUiFlow1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/uiflow2.m5stack.com\/\" target=\"_blank\" rel=\"noopener\"\u003eUiFlow2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.arduino.cc\/software\/ide\/\" target=\"_blank\" rel=\"noopener\"\u003eArduino IDE\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eM5Stack LoRaWAN\u003c\/strong\u003e setup becomes easier to maintain when channel settings, activation mode, antenna placement, firmware version, and node credentials are documented before field installation and later troubleshooting.\u003c\/p\u003e","brand":"LogicBoundless","offers":[{"title":"Default Title","offer_id":49240611979479,"sku":"LB-M5-U184-AS923","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/8952\/2135\/files\/1_5b1761b7-e52e-4471-b3a5-137dc3e42e2f.webp?v=1783243393","url":"https:\/\/logicboundless.com\/products\/m5stack-lorawan-unit-as923-stm32wle5-with-antenna","provider":"LogicBoundless","version":"1.0","type":"link"}