{"product_id":"witmotion-um982-rtk-gnss-module","title":"WitMotion WTRTK-982 UM982 RTK GNSS Module, Centimeter-Level Positioning and Orientation for Drones and Surveying","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe WitMotion WTRTK-982 RTK GNSS module is a dual-antenna positioning and orientation module based on the UM982 chip. It supports GPS\/BDS\/GLONASS\/Galileo\/QZSS full satellite systems, Dual-RTK dual engine technology, and RTCM adaptive recognition for centimeter-level positioning output in compact integrations.\u003c\/p\u003e\u003cp\u003eThe module includes an anti-interference unit with 60 dB narrowband interference suppression and interference detection, a pi-type 50 ohm antenna matching network with VSWR below 1.78, and TYPE-C plus XH2.54x6PIN dual interface connection. It is designed for navigation and positioning workflows that require reliable RTK performance.\u003c\/p\u003e\u003cp style=\"text-align:center;\"\u003e\u003ciframe height=\"759\" src=\"https:\/\/www.youtube.com\/embed\/EBZJqlW8a8Y\" title=\"RTK module that achieves centimeter-level positioning within 20 seconds(WTRTK-982)\" width=\"1349\"\u003e\u003c\/iframe\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/1aRu2Q21IOs?si=OEe9hPhfhOk4zgaA\" title=\"YouTube video player\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAll-constellation multi-frequency support: GPS\/BDS\/GLONASS\/Galileo\/QZSS\u003c\/li\u003e\n\u003cli\u003eDual-antenna input with dual-antenna directional positioning\u003c\/li\u003e\n\u003cli\u003eDual-RTK dual engine technology with differential input RTCM adaptive recognition\u003c\/li\u003e\n\u003cli\u003eBuilt-in anti-interference unit with 60 dB narrowband interference suppression and interference detection\u003c\/li\u003e\n\u003cli\u003ePi-type network impedance matching (50 ohm), VSWR below 1.78\u003c\/li\u003e\n\u003cli\u003e20 Hz dual-antenna data update rate\u003c\/li\u003e\n\u003cli\u003eCompact module size for integration: 26.0 x 38 x 7.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eWTRTK-982\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eUM982\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e1408\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna mode\u003c\/td\u003e\n\u003ctd\u003eDual-antenna directional positioning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData update rate\u003c\/td\u003e\n\u003ctd\u003eDual antenna 20 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal reception\u003c\/td\u003e\n\u003ctd\u003eBDS B1I, B2I, B3I; GPS L1C\/A, L2C, L2P(Y), L5; GLONASS G1, G2; Galileo E1, E5a, E5b; QZSS L1C\/A, L2C, L5; SBAS L1C\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCold-start TTFF\u003c\/td\u003e\n\u003ctd\u003e≤30 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot-start TTFF\u003c\/td\u003e\n\u003ctd\u003e≤1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle-point positioning accuracy\u003c\/td\u003e\n\u003ctd\u003eHorizontal 1.5 m, elevation 2.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifferential positioning accuracy\u003c\/td\u003e\n\u003ctd\u003eHorizontal 0.4 m + 1 ppm, elevation 0.8 m + 1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTK positioning accuracy\u003c\/td\u003e\n\u003ctd\u003eHorizontal 0.8 cm + 1 ppm, elevation 1.5 cm + 1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrientation accuracy\u003c\/td\u003e\n\u003ctd\u003e0.1 degree\/1 m baseline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemporal precision\u003c\/td\u003e\n\u003ctd\u003e20 ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed measurement accuracy\u003c\/td\u003e\n\u003ctd\u003e0.03 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial port baud rate\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault serial settings\u003c\/td\u003e\n\u003ctd\u003e115200 bps, 8 data bits, no checksums, 1 stop bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eNMEA0183\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain supply\u003c\/td\u003e\n\u003ctd\u003e5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical power consumption\u003c\/td\u003e\n\u003ctd\u003e220 mA @ 5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-45 to 125 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e26.0 x 38 x 7.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eMMCX, TYPE-C, XH2.54x6PIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O labels\u003c\/td\u003e\n\u003ctd\u003eEN, GND, TXD, RXD, VCC, PPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWTRTK-982 module x1\u003c\/li\u003e\n\u003cli\u003eSMA cable x2\u003c\/li\u003e\n\u003cli\u003eHeat sink x1\u003c\/li\u003e\n\u003cli\u003ePins x2\u003c\/li\u003e\n\u003cli\u003eTYPE-C cable x1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDrones\u003c\/li\u003e\n\u003cli\u003eSurveying and mapping\u003c\/li\u003e\n\u003cli\u003ePrecision agriculture\u003c\/li\u003e\n\u003cli\u003eAutonomous machines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals\u003c\/h2\u003e\u003cp\u003eAvailable resources include PC Software, Manual, Use Video, and Protocol. For setup help and after-sales support, contact support@rcdrone.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"WitMotion WTRTK-982 RTK GNSS module comparison chart with UM982 dual-antenna specs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level.webp?v=1783399293\"\u003e\u003cp\u003eThe WTRTK-982 pairs UM982-based dual-antenna positioning with RTK-oriented performance and compact sizing.\u003c\/p\u003e\n\u003cimg alt=\"RTK positioning principle diagram showing differential corrections for centimeter-level accuracy\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_24657ac0-8612-40a5-a535-77bbb39f5e45.webp?v=1783399299\"\u003e\u003cp\u003eRTK correction data helps the receiver turn satellite signals into more accurate positioning results.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion WTRTK-982 RTK GNSS module overview with UM982, UM980, and UM960 product family graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_1193438e-049f-47e3-b5d1-21c14006a79e.webp?v=1783399305\"\u003e\u003cp\u003eBuilt for drones, surveying, precision agriculture, and autonomous systems, the WTRTK-982 focuses on dual-antenna RTK navigation.\u003c\/p\u003e\n\u003cimg alt=\"Centimeter-level RTK positioning map graphic with accuracy radius and location marker\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_9ede3eeb-ba30-437e-a74d-926f072bdd96.webp?v=1783399311\"\u003e\u003cp\u003eCentimeter-level RTK performance supports tighter tracking when exact position matters.\u003c\/p\u003e\n\u003cimg alt=\"Multi-system GNSS support graphic for BDS, GPS, GLONASS, Galileo, and QZSS satellites\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_4136646f-82bc-4b31-b496-5d6f1292069a.webp?v=1783399317\"\u003e\u003cp\u003eFull-constellation support broadens satellite availability in open-sky and mixed-environment use.\u003c\/p\u003e\n\u003cimg alt=\"Satellite tracking performance chart for BDS, GPS, GLONASS, and Galileo signal response\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_0c5fd239-b4df-4af5-b1f0-3f4a9a975a10.webp?v=1783399323\"\u003e\u003cp\u003eStable satellite tracking helps the module maintain reliable output across multiple GNSS bands.\u003c\/p\u003e\n\u003cimg alt=\"Fast satellite search performance graphic highlighting 10-second convergence and 20 Hz RTK refresh\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_b0c5a972-d3da-4a92-ba6e-bb2f55ce31a6.webp?v=1783399328\"\u003e\u003cp\u003eQuick RTK convergence and a 20 Hz refresh rate support responsive positioning updates.\u003c\/p\u003e\n\u003cimg alt=\"Map tracking software interface showing constellation view, live map, and tracking status panels\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_104cdea3-6def-4990-9284-2af4a2c20c24.webp?v=1783399334\"\u003e\u003cp\u003ePC software can display live map data, positioning status, and satellite tracking in one view.\u003c\/p\u003e\n\u003cimg alt=\"WitMotion WTRTK-982 anti-interference performance graphic with satellite dish background\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_6732ee80-24e6-4402-9316-2d78dfb7f50b.webp?v=1783399340\"\u003e\u003cp\u003eThe built-in anti-jamming design is intended to keep positioning reliable in noisy electromagnetic environments.\u003c\/p\u003e\n\u003cimg alt=\"Product detail close-ups showing MMCX, TYPE-C, serial header, and onboard components\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_5dc826ba-8427-48ef-8628-a16301f83682.webp?v=1783399346\"\u003e\u003cp\u003eVisible connection points include MMCX and TYPE-C interfaces for easier integration and setup.\u003c\/p\u003e\n\u003cimg alt=\"Antenna impedance performance diagram with network analyzer and VSWR measurement screens\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_f2e3f28e-3a46-42f0-9811-a71c956d256e.webp?v=1783399352\"\u003e\u003cp\u003eImpedance matching and VSWR testing support stronger antenna performance and signal handling.\u003c\/p\u003e\n\u003cimg alt=\"WTRTK-982 module wiring instructions with board dimensions and pin layout\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_592e35b0-ead5-4aec-b75e-37ed3ae95f6e.webp?v=1783399357\"\u003e\u003cp\u003eThe compact board layout and labeled pins make integration easier for custom builds.\u003c\/p\u003e\n\u003cimg alt=\"WTRTK-982 application examples for drones, surveying, autonomous machines, and precision agriculture\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_32ad2fc3-de41-41fb-b825-cdce0f3ce84a.webp?v=1783399364\"\u003e\u003cp\u003eThe module is positioned for drone control, surveying, autonomous vehicles, and precision farming.\u003c\/p\u003e\n\u003cimg alt=\"Development kit resources for the WTRTK-982 including PC software, manual, video, and protocol files\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_63223df7-e80e-4cb6-a0dc-3f9e534f61c9.webp?v=1783399369\"\u003e\u003cp\u003eSetup resources are included to help with testing, configuration, and integration.\u003c\/p\u003e\n\u003cimg alt=\"WTRTK-982 accessory list with CNC housing, silicone case, heat sink, feeder cable, and pin header\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_0db756b4-19c9-4204-ba65-8fb0f2cb2a1e.webp?v=1783399375\"\u003e\u003cp\u003eThe package includes the main module and practical accessories for installation and protection.\u003c\/p\u003e\n\u003cimg alt=\"Shipping list showing WTRTK-982 module variants with included accessories\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/WitMotion-RTK-GNSSINS-Module-UM982UM980-Centimeter-level_073a8933-3437-4b15-9a0a-7be2c5ea2038.webp?v=1783399382\"\u003e\u003cp\u003eIncluded accessories vary by package, but each set centers on the same WTRTK RTK module platform.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"WitMotion","offers":[{"title":"WTRTK-M10","offer_id":53307725906144,"sku":"A.000398-13","price":102.66,"currency_code":"USD","in_stock":true},{"title":"WTRTK-M20","offer_id":53307725938912,"sku":"A.000398-14","price":111.06,"currency_code":"USD","in_stock":true},{"title":"WTRTK-M20D","offer_id":53307725971680,"sku":"A.000398-15","price":111.06,"currency_code":"USD","in_stock":true},{"title":"GPS 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