{"product_id":"uwb-bu04-dual-antenna-indoor-positioning-module-10cm-accuracy","title":"UWB BU04 Dual-Antenna Indoor Positioning Module – 10cm Accuracy","description":"\n\u003ch2\u003eUWB BU04 Dual-Antenna Indoor High-Precision Positioning Module\u003c\/h2\u003e\n\u003cp\u003eTake your indoor positioning projects to the next level with the \u003cstrong\u003eBU04 UWB Positioning Module\u003c\/strong\u003e. Featuring dual transmit\/receive channels and dual antenna design, this compact module delivers outstanding 10 cm positioning accuracy — making it ideal for robotics, asset tracking, smart warehousing, drone navigation, and any application demanding precise indoor location data.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePositioning Accuracy:\u003c\/strong\u003e 10 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Two Transmitters, Two Receivers, Dual Antenna Channels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Types:\u003c\/strong\u003e SMD-34 \/ DIP-16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 33.5 × 35.5 × 3.4 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupported Interfaces:\u003c\/strong\u003e SPI \/ UART \/ I2C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCenter Frequencies:\u003c\/strong\u003e CH5 (6489.5 MHz) \u0026amp; CH9 (7987.2 MHz)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic housing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose the BU04 UWB Module?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSub-Decimeter Accuracy:\u003c\/strong\u003e Ultra-wideband technology achieves ~10 cm positional resolution, far superior to standard Bluetooth or Wi-Fi based positioning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBidirectional Ranging:\u003c\/strong\u003e Supports two-way ranging for robust, reliable distance measurements even in complex indoor environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Interface Support:\u003c\/strong\u003e Compatible with SPI, UART, and I2C, making integration with popular microcontrollers and development boards straightforward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Channel Antenna Design:\u003c\/strong\u003e Improves signal stability and overall system performance compared to single-antenna modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e The small 33.5 × 35.5 × 3.4 mm footprint fits easily into embedded designs and enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Frequency Operation:\u003c\/strong\u003e Supports CH5 and CH9 center frequencies for flexible deployment scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × UWB BU04 Dual-Antenna Positioning Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Only the above item is included. Other products shown in reference images are not included. Color may vary slightly due to lighting and display settings. Measurement tolerance: ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10cm-wireless-led-motion-sensor-night-light-type-c-rechargeable-cabinet-wardrobe-lamp-for-staircase-backlight-kitchen-lighting\"\u003e10CM Wireless LED Motion Sensor Night Light – Type-C Rechargeable\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Portable Mini\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the positioning accuracy of the BU04 UWB module?\u003c\/h4\u003e\n\u003cp\u003eA: The BU04 UWB indoor positioning module achieves a positioning accuracy of approximately 10 cm, making it one of the most precise options available for indoor location and ranging applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Which communication interfaces does the BU04 UWB module support?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports SPI, UART, and I2C interfaces, providing broad compatibility with a wide range of microcontrollers, development boards, and embedded systems.\u003c\/p\u003e\n\u003ch4\u003eQ: What frequency channels does the BU04 module operate on?\u003c\/h4\u003e\n\u003cp\u003eA: The BU04 operates on two center frequencies: CH5 at 6489.5 MHz and CH9 at 7987.2 MHz, giving you flexibility in deployment across different indoor environments and regulatory requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module suitable for robotics or asset-tracking projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The BU04's dual-antenna, bidirectional ranging capability and 10 cm accuracy make it an excellent choice for robotics navigation, warehouse asset tracking, drone positioning, and other precision indoor location use cases.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the positioning accuracy of the BU04 UWB module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BU04 UWB indoor positioning module achieves a positioning accuracy of approximately 10 cm, making it one of the most precise options available for indoor location and ranging applications.\"}}, {\"@type\": \"Question\", \"name\": \"Which communication interfaces does the BU04 UWB module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module supports SPI, UART, and I2C interfaces, providing broad compatibility with a wide range of microcontrollers, development boards, and embedded systems.\"}}, {\"@type\": \"Question\", \"name\": \"What frequency channels does the BU04 module operate on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BU04 operates on two center frequencies: CH5 at 6489.5 MHz and CH9 at 7987.2 MHz, giving you flexibility in deployment across different indoor environments and regulatory requirements.\"}}, {\"@type\": \"Question\", \"name\": \"Is this module suitable for robotics or asset-tracking projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The BU04's dual-antenna, bidirectional ranging capability and 10 cm accuracy make it an excellent choice for robotics navigation, warehouse asset tracking, drone positioning, and other precision indoor location use cases.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"UWB BU04 Dual-Antenna Indoor Positioning Module – 10cm Accuracy\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/products\/uwb-bu04-dual-antenna-indoor-positioning-module-10cm-accuracy\"}]}\u003c\/script\u003e","brand":"Babs","offers":[{"title":"Black","offer_id":53151263752332,"sku":"14:193#Black","price":125.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/2862\/6316\/files\/S0ab1db23173b49d9990e247fb1bf1c79c.webp?v=1787161495","url":"https:\/\/babcustomersupport.com\/products\/uwb-bu04-dual-antenna-indoor-positioning-module-10cm-accuracy","provider":"Babs","version":"1.0","type":"link"}