{"product_id":"eol-m5stack-nb-iot-module-m5311","title":"[EOL] M5Stack NB-IoT Module (M5311)","description":"\u003cdiv style=\"background: #f3f8ff; border: 1px solid #cfe1ff; border-left: 4px solid #1f6fe5; border-radius: 8px; padding: 14px 16px; margin: 24px 0;\"\u003e\n\u003cstrong style=\"display: block; color: #0d47a1; font-size: 15px; margin-bottom: 6px;\"\u003e Product Status Notice \u003c\/strong\u003e \u003cspan style=\"color: #2c2c2c; font-size: 14.5px; line-height: 1.6;\"\u003e This product is \u003cstrong\u003eEOL (End of Life)\u003c\/strong\u003e. \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n\/* ===== Scoped Description Style ===== *\/\n.product-description.rte {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n  color: #2c2c2c;\n  line-height: 1.65;\n  font-size: 16px;\n}\n\n\/* ===== Headings ===== *\/\n.product-description.rte h2 {\n  font-size: 1.8em;\n  color: #0D47A1;\n  border-left: 4px solid #1f6fe5;\n  padding-left: 12px;\n  margin-top: 32px;\n  margin-bottom: 16px;\n}\n\n\/* ===== H3 Titles Optimization ===== *\/\n.product-description.rte h3 {\n  font-size: 1.4em;\n  color: #0D47A1;\n  margin-top: 24px;\n  margin-bottom: 12px;\n  font-weight: 500;\n  padding-bottom: 6px;\n  border-bottom: 2px solid #e6e6e6;\n}\n\n\/* ===== Paragraphs ===== *\/\n.product-description.rte p {\n  margin-bottom: 20px;\n  line-height: 1.8;\n  color: #4a4f57;\n  font-size: 16px;\n}\n\n\/* ===== Paragraph Images (only in description) ===== *\/\n.product-description.rte img {\n  display: block;\n  max-width: 100%;\n  height: auto;\n  margin: 24px auto;\n  border-radius: 12px;\n  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);\n}\n\n\/* ===== Lists ===== *\/\n.product-description.rte ul {\n  padding-left: 20px;\n  margin-bottom: 16px;\n  list-style-type: disc;\n}\n.product-description.rte li {\n  margin-bottom: 6px;\n}\n\n\/* ===== Links ===== *\/\n.product-description.rte a {\n  color: #0288D1;\n  text-decoration: none;\n  transition: color 0.3s ease;\n}\n.product-description.rte a:hover {\n  color: #01579B;\n}\n\n\/* ===== M5Stack-style Spec Table ===== *\/\n.product-description.rte .table-container {\n  width: 100%;\n  margin: 24px 0;\n  overflow-x: auto;\n}\n.product-description.rte .table-container table {\n  width: 100%;\n  border-collapse: collapse;\n  font-family: inherit;\n  font-size: 14px;\n  color: #2c2f36;\n  background-color: #ffffff;\n  border-radius: 10px;\n  overflow: hidden;\n  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);\n}\n.product-description.rte .table-container thead th {\n  background: #1f6fe5;\n  color: #ffffff;\n  padding: 14px 16px;\n  text-align: center;\n  font-weight: 600;\n  border: none;\n  vertical-align: middle;\n}\n.product-description.rte .table-container td {\n  padding: 14px 16px;\n  border-bottom: 1px solid #e6ebf2;\n  vertical-align: middle;\n}\n.product-description.rte .table-container tbody td:first-child {\n  width: 36%;\n  text-align: center;\n  font-weight: 500;\n  color: #4a4f57;\n  background-color: rgba(31, 111, 229, 0.02);\n}\n.product-description.rte .table-container tbody tr:nth-child(even) {\n  background-color: #f7f9fc;\n}\n@media (hover: hover) {\n  .product-description.rte .table-container tbody tr:hover {\n    background-color: #eef3ff;\n  }\n}\n\n\/* ===== Learn \u0026 Documents Button ===== *\/\n.product-description.rte #learn-and-documents-btn {\n  display: inline-flex;\n  align-items: center;\n  padding: 6px 14px;\n  background-color: #1f6fe5;\n  color: #ffffff;\n  font-weight: 600;\n  border-radius: 6px;\n  margin-top: 8px;\n  text-decoration: none;\n  transition: background 0.3s ease;\n}\n.product-description.rte #learn-and-documents-btn:hover {\n  background-color: #1661c1;\n}\n\n\/* ===== Responsive Design for Smaller Screens (with table adjustments) ===== *\/\n@media screen and (max-width: 768px) {\n  .product-description.rte .table-container table,\n  .product-description.rte .table-container thead,\n  .product-description.rte .table-container tbody,\n  .product-description.rte .table-container th,\n  .product-description.rte .table-container td,\n  .product-description.rte .table-container tr {\n    display: block;\n    width: 100%;\n  }\n  .product-description.rte .table-container thead {\n    display: none;\n  }\n  .product-description.rte .table-container tbody tr {\n    padding: 12px 0;\n    border-bottom: 1px solid #e6ebf2;\n  }\n  .product-description.rte .table-container tbody td {\n    padding: 8px 16px;\n    border: none;\n    text-align: left;\n  }\n  .product-description.rte .table-container tbody td:first-child {\n    width: 100%;\n    background: none;\n    color: #1f6fe5;\n    font-weight: 600;\n    padding-top: 16px;\n  }\n  .product-description.rte .table-container tbody td:last-child {\n    padding-bottom: 16px;\n    color: #2c2f36;\n    line-height: 1.6;\n  }\n\n  \/* Ensure button appears correctly on mobile *\/\n  .product-description.rte #learn-and-documents-btn {\n    font-size: 14px;\n    padding: 8px 16px;\n  }\n}\n\u003c\/style\u003e\n\u003ch2 id=\"description\" data-id=\"Description\"\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eModule NBIoT\u003c\/strong\u003e is an NB-IoT communication module in the M5Stack stackable module series. It integrates a high-performance NB-IoT full-network wireless communication module \u003cstrong\u003eM5311\u003c\/strong\u003e. The low-power design helps customers achieve longer terminal life. The M5311 provides rich external interfaces and protocol stacks, supports external sensor devices, and offers great convenience for user product development. It also supports the OneNET cloud platform protocol, enabling seamless integration and rapid development. This module is particularly suitable for IoT industries such as smart metering, smart wearables, smart parking, and municipal management, where ultra-low power consumption and ultra-small size are core requirements.\u003c\/p\u003e\n\u003ch2 id=\"features\" data-id=\"Features\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSIM Card Type: Nano\u003c\/li\u003e\n\u003cli\u003eStatus Signals: Two LED indicators\u003c\/li\u003e\n\u003cli\u003eSingle Power Button\u003c\/li\u003e\n\u003cli\u003eOnboard Antenna Option: Default onboard spring antenna (or switch to IPEX connector via jumper)\u003c\/li\u003e\n\u003cli\u003eSerial Communication: Uart2 16\/17\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eNB-IoT: Supports LTE Cat NB2*\u003c\/li\u003e\n\u003cli\u003eFrequency Bands:\n\u003cul\u003e\n\u003cli\u003eB3\/B5\/B8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eData Transmission:\n\u003cul\u003e\n\u003cli\u003eLTE Cat NB1 Rate (kbps):\n\u003cul\u003e\n\u003cli\u003eSingle Tone 15.625 (UL) \/ 21.25 (DL)\u003c\/li\u003e\n\u003cli\u003eMulti Tone 62.5 (UL) \/ 21.25 (DL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSMS: Supports PDU\/TEXT mode\u003c\/li\u003e\n\u003cli\u003eNetwork Protocols: IPv4\/IPv6\/UDP\/TCP\/CoAP\/LwM2M\/HTTP\/MQTT\/TLS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical Characteristics:\n\u003cul\u003e\n\u003cli\u003eCurrent Consumption:\n\u003cul\u003e\n\u003cli\u003e3uA @ PSM\u003c\/li\u003e\n\u003cli\u003e0.4mA @ Idle mode (DRx=1.28S)\u003c\/li\u003e\n\u003cli\u003e167mA @ Tx (23dBm\/15kHzST)\u003c\/li\u003e\n\u003cli\u003e54mA @ Rx\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput Power: 23dBm ± 2dB\u003c\/li\u003e\n\u003cli\u003eSensitivity:\n\u003cul\u003e\n\u003cli\u003e-114dBm (without retransmission)\u003c\/li\u003e\n\u003cli\u003e-130dBm (with retransmission)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"includes\" data-id=\"Includes\"\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Module NBIoT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"applications\" data-id=\"Applications\"\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart Metering\u003c\/li\u003e\n\u003cli\u003eSmart Parking\u003c\/li\u003e\n\u003cli\u003eMunicipal Management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"specifications\" data-id=\"Specifications\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e13g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e24g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Size\u003c\/td\u003e\n\u003ctd\u003e54.2 x 54.2 x 2.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Size\u003c\/td\u003e\n\u003ctd\u003e60 x 57 x 17mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eLearn and Documents\u003c\/h2\u003e\n → DOCUMENTS \n\u003c\/div\u003e","brand":"m5stack-store","offers":[{"title":"Default Title","offer_id":48172376621214,"sku":"xqr1787246723303","price":13.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/6345\/4366\/files\/eol-m5stack-nb-iot-module-m5311_1.jpg?v=1787246731","url":"https:\/\/urbanwearstore.shop\/products\/eol-m5stack-nb-iot-module-m5311","provider":"My Store","version":"1.0","type":"link"}