{"product_id":"gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart","title":"Gravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026UART","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\u003cdiv class=\"rte text--pull\"\u003e\u003cul\u003e\n\t\u003cli\u003eGravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026UART\u003c\/li\u003e\n\t\u003cli\u003eIntegrates GNSS GPS BeiDou with real-time clock\u003c\/li\u003e\n\t\u003cli\u003eAutomatically calibrates onboard RTC chip\u003c\/li\u003e\n\t\u003cli\u003eReduces power consumption by disconnecting GNSS\u003c\/li\u003e\n\t\u003cli\u003eProvides accurate longitude, latitude, time, altitude\u003c\/li\u003e\n\t\u003cli\u003eSupports I2C and UART output for broad compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026UART\u003c\/strong\u003e integrates satellite positioning capabilities with a real-time clock (RTC). It automatically acquires satellite time based on a preset calibration period, ensuring precise calibration of the onboard RTC chip. This process effectively mitigates time errors that may arise during prolonged operation or accidental disruptions.\u003c\/p\u003e\n\n\u003cp\u003eThe system conserves power by automatically disconnecting the GNSS chip after calibration, thereby reducing overall power consumption compared to GNSS-only solutions. Users can also configure the module to function continuously as a positioning device, providing accurate data on longitude, latitude, time, and altitude.\u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cimg style=\"width: 540px;  \" alt src=\"https:\/\/cdn.robotshop.com\/media\/d\/dfr\/rb-dfr-1649\/img\/gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart-desc.webp\" alt=\"Gravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026UART\"\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe module supports two data output types: I2C and UART, and is compatible with Arduino, ESP32, Raspberry Pi, and other mainstream control devices. It is particularly suitable for applications requiring extended operational hours and high-precision timekeeping, such as astronomical observation timers, NTP servers, and outdoor wireless sensor time synchronization.\u003c\/p\u003e\n\n\u003cp\u003eThis module offers a significant improvement over traditional GNSS modules by incorporating the ability to deactivate the GNSS when not in use, leaving only the RTC module active to maintain time, thus achieving lower power consumption.\u003c\/p\u003e\n\u003c\/div\u003e\u003cbutton class= \"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp style=\"text-align: center;\"\u003e\u003cimg style=\"width: 540px;  \" alt src=\"https:\/\/cdn.robotshop.com\/media\/d\/dfr\/rb-dfr-1649\/img\/gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart-include.webp\" alt=\"Gravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026UART\"\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1x Gravity: GNSS Positioning \u0026 Timing module\u003c\/li\u003e\n\t\u003cli\u003e1x GPS \/ BeiDou Active Ceramic Antenna (IPEX1 Connector)\u003c\/li\u003e\n\t\u003cli\u003e1x Gravity 4P sensor cable\u003c\/li\u003e\n\t\u003cli\u003e1x 10P connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-3\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eDimensions\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-3\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp style=\"text-align: center;\"\u003e\u003cimg style=\"width: 540px;  \" alt src=\"https:\/\/cdn.robotshop.com\/media\/d\/dfr\/rb-dfr-1649\/img\/gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart-dime1.webp\" alt=\"Gravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026UART\"\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e32 x 42 mm (L x W)\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-4\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eLinks\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-4\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp\u003e\u003cstrong\u003eWebsite\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\u003ca href=\"https:\/\/wiki.dfrobot.com\/_SKU_DFR1103_Gravity_GNSS_Position_And_Timing_Module\" target=\"_blank\"\u003eGravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026amp;UART - Wiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePDF File\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/D\/Dfr\/RB-Dfr-1649\/pdf\/gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart-schematics.pdf\" target=\"_blank\"\u003eGravity: GNSS GPS BeiDou Positioning Module w\/ RTC - I2C\u0026amp;UART - Schematics\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\t\u003cli\u003eOperating Voltage: 3 to 5V DC\u003c\/li\u003e\n\t\u003cli\u003eOutput Signal: I2C\/UART\u003c\/li\u003e\n\t\u003cli\u003eGNSS IC: L76K\u003c\/li\u003e\n\t\u003cli\u003eGNSS Accuracy: 2.0m CEP\u003c\/li\u003e\n\t\u003cli\u003eFirst Positioning Time: 30s for cold start, 2s for hot start\u003c\/li\u003e\n\t\u003cli\u003eOperation Current: 46mA with GNSS enabled, less than 1mA with GNSS chip off\u003c\/li\u003e\n\t\u003cli\u003eAntenna Interface: IPEX 1\u003c\/li\u003e\n\t\u003cli\u003eAntenna Frequency: 1561 to 1575.42MHz \u0026plusmn;3MHz\u003c\/li\u003e\n\t\u003cli\u003eRTC IC: SD3031\u003c\/li\u003e\n\t\u003cli\u003eTime Range: Years 2000 to 2099\u003c\/li\u003e\n\t\u003cli\u003eTime Accuracy: \u0026plusmn;3.8ppm at 25\u0026deg;C\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":49395272220840,"sku":"RB-Dfr-1649","price":4705.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/1483\/6648\/files\/gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart-img01.webp?v=1766387794","url":"https:\/\/jp.robotshop.com\/en\/products\/gravity-gnss-gps-beidou-positioning-module-w-rtc-i2cuart","provider":"RoboItchi","version":"1.0","type":"link"}