{"product_id":"geoastra-c2-x20p-u-u-blox-x20p-gnss-board-rtk-galileo-has-ppp-4g-lte-ble","title":"GeoAstra C2-X20P-U u-blox X20P GNSS Board — RTK, Galileo HAS PPP, All-band L1 \/ L2 \/ L5 \/ L6 (E6), 4G LTE \u0026 BLE","description":"\u003cstyle\u003e\n  .gpsws-product-page {\n    --ga-primary: #137c78;\n    --ga-primary-dark: #0f5f5c;\n    --ga-text: #1f2937;\n    --ga-muted: #5f6b7a;\n    --ga-border: #dce7e6;\n    --ga-soft: #f5fbfa;\n    --ga-card: #ffffff;\n    font-family: inherit;\n    color: var(--ga-text);\n    line-height: 1.65;\n  }\n\n  .gpsws-product-page * {\n    box-sizing: border-box;\n  }\n\n  .gpsws-product-page h2 {\n    margin: 42px 0 18px;\n    padding-bottom: 10px;\n    border-bottom: 2px solid var(--ga-primary);\n    color: var(--ga-primary-dark);\n    font-size: 28px;\n    line-height: 1.25;\n    font-weight: 600;\n  }\n\n  .gpsws-product-page h3 {\n    margin: 0 0 14px;\n    color: var(--ga-primary-dark);\n    font-size: 21px;\n    line-height: 1.35;\n    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.gpsws-product-page .datasheet-table {\n    margin-top: 8px;\n  }\n\n  .gpsws-product-page .datasheet-table td:first-child {\n    width: 34%;\n    color: var(--ga-text);\n    font-weight: 600;\n  }\n\n  .gpsws-product-page .datasheet-table td {\n    color: var(--ga-muted);\n  }\n\n  .gpsws-product-page .footnote {\n    margin-top: 14px;\n    color: var(--ga-muted);\n    font-size: 13.5px;\n  }\n\n  .gpsws-product-page .compare-table td:first-child {\n    width: 28%;\n    color: var(--ga-text);\n    font-weight: 600;\n  }\n\n  @media (max-width: 720px) {\n    .gpsws-product-page h2 {\n      font-size: 24px;\n    }\n\n    .gpsws-product-page h3 {\n      font-size: 19px;\n    }\n\n    .gpsws-product-page .feature-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .gpsws-product-page .intro,\n    .gpsws-product-page .content-card,\n    .gpsws-product-page .datasheet {\n      padding-left: 18px;\n      padding-right: 18px;\n    }\n\n    .gpsws-product-page table {\n      display: block;\n      overflow-x: auto;\n      white-space: nowrap;\n    }\n\n    .gpsws-product-page .datasheet-table td:first-child {\n      width: 42%;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"gpsws-product-page\"\u003e\n  \u003cdiv class=\"intro\"\u003e\n    \u003cp\u003eThe GeoAstra C2-X20P-U is a compact high-precision GNSS board built on the next-generation u-blox X20P engine — not the older dual-band F9-class chips that dominated the last generation of RTK boards.\u003c\/p\u003e\n    \u003cp\u003eWhat makes this board stand out is the combination most OEM boards still miss: true satellite-based PPP (no base, no NTRIP subscription required), Bluetooth Classic SPP + BLE (including iOS app access), and built-in 4G LTE so the board can pull RTK corrections by itself.\u003c\/p\u003e\n    \u003cp\u003eForm factor: 61.3 × 56.5 × 5.8 mm · 18.8 g · USB-C · SMA · VIN 5–30 V.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cp class=\"section-note\"\u003eGeoAstra · u-blox X20P (all-band) · Built-in PPP · BLE for iOS · Classic Bluetooth SPP · Built-in 4G LTE \/ NTRIP · RTK 0.6 cm + 1 ppm · up to 25 Hz\u003c\/p\u003e\n\n  \u003ch2\u003e1) Next-Gen u-blox X20P — A Clear Step Beyond F9P\u003c\/h2\u003e\n  \u003cdiv class=\"content-card\"\u003e\n    \u003cp\u003eFor years, many high-precision boards centered on the popular u-blox ZED-F9P (dual-band L1\/L2 RTK). The X20P is u-blox’s newer all-band platform — more signals per satellite, stronger availability in difficult sky conditions, and native support for modern correction methods that F9P simply does not offer.\u003c\/p\u003e\n    \u003ctable class=\"compare-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eCapability\u003c\/th\u003e\n          \u003cth\u003eTypical F9P-class boards\u003c\/th\u003e\n          \u003cth\u003eGeoAstra C2-X20P-U (u-blox X20P)\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eGNSS bands\u003c\/td\u003e\n          \u003ctd\u003eDual-band (mainly L1 \/ L2)\u003c\/td\u003e\n          \u003ctd\u003eAll-band L1 \/ L2 \/ L5 \/ L6 (E6)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCorrection modes\u003c\/td\u003e\n          \u003ctd\u003eRTK · PPP-RTK\u003c\/td\u003e\n          \u003ctd\u003eRTK · PPP-RTK · Global PPP (incl. Galileo HAS)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eL-band \/ satellite corrections\u003c\/td\u003e\n          \u003ctd\u003eNot built into the F9P engine the same way\u003c\/td\u003e\n          \u003ctd\u003eIntegrated L-band \/ global PPP path\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eUpdate rate\u003c\/td\u003e\n          \u003ctd\u003eTypically up to ~10 Hz RTK\u003c\/td\u003e\n          \u003ctd\u003eUp to 25 Hz (RTK \/ PPP-RTK \/ PVT \/ RAW)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTough sky (urban \/ canopy)\u003c\/td\u003e\n          \u003ctd\u003eGood in open sky\u003c\/td\u003e\n          \u003ctd\u003eMore signals → better availability near buildings \/ obstacles\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eChannels\u003c\/td\u003e\n          \u003ctd\u003eLower-channel dual-band class\u003c\/td\u003e\n          \u003ctd\u003e672 channels\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cp class=\"takeaway\"\u003e→ If you already know F9P boards: X20P is the upgrade path for all-band tracking, faster updates, and PPP that works without a local RTK network\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e2) Built-in PPP — High Accuracy Without RTK Base or NTRIP\u003c\/h2\u003e\n  \u003cdiv class=\"content-card\"\u003e\n    \u003cp\u003eMost “high-precision” workflows still assume you need something else in the system:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003ean RTK base station (or a paid NTRIP \/ RTK network subscription), and\u003c\/li\u003e\n      \u003cli\u003ea real-time radio or internet link between base and rover — or, for PPK, a second logger plus office post-processing later (see our community guide on \u003ca href=\"https:\/\/community.gpswebshop.com\/2024\/08\/27\/ppk-post-processed-kinematic-by-using-the-columbus-ex-1-gnss-data-logger\/\" target=\"_blank\" rel=\"noopener\"\u003ePPK with Columbus EX-1\u003c\/a\u003e).\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eThose methods work, but they add cost, setup, and logistics. PPP (Precise Point Positioning) on the X20P is different: the receiver uses correction data delivered from satellites \/ global PPP services (such as Galileo HAS), so you can get high-precision results without deploying your own base and without an NTRIP account.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eNo RTK subscription service required for the PPP path\u003c\/li\u003e\n      \u003cli\u003eNo local RTK base to install, power, or survey-in\u003c\/li\u003e\n      \u003cli\u003eNo NTRIP caster \/ cellular phone tether just to receive corrections for PPP\u003c\/li\u003e\n      \u003cli\u003eTypical PPP accuracy on this platform: horizontal \u0026lt; 10 cm, vertical \u0026lt; 20 cm (RMS)\u003c\/li\u003e\n      \u003cli\u003eAlso supports PPP-RTK (\u0026lt; 6 cm H) when SSR \/ SPARTN-style services are available\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"takeaway\"\u003e→ Turn on the board, track satellites, and get high-precision positioning from the sky — without building an RTK infrastructure first\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e3) Bluetooth SPP + BLE — Including Direct iOS App Access\u003c\/h2\u003e\n  \u003cdiv class=\"content-card\"\u003e\n    \u003cp\u003eMany GNSS boards only offer Classic Bluetooth SPP (fine for Android \/ Windows serial apps) — or no Bluetooth at all. The GeoAstra C2-X20P-U supports both:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eBluetooth Classic SPP — familiar serial-port style links for Android \/ PC tools\u003c\/li\u003e\n      \u003cli\u003eBluetooth Low Energy (BLE) — the path Apple allows for third-party accessories\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003eBecause BLE is supported, an iOS app can talk to the board directly. That is a major advantage over SPP-only receivers that cannot be opened as a normal serial device on iPhone \/ iPad.\u003c\/p\u003e\n    \u003cp\u003eUse it with the GeoAstra BLE-GNSS iOS app (and compatible phone workflows) to configure and work with the board without adding a separate Bluetooth bridge module.\u003c\/p\u003e\n    \u003cp class=\"takeaway\"\u003e→ One GeoAstra board that works with Android \/ desktop SPP \u003cem\u003eand\u003c\/em\u003e iOS via BLE — rare on OEM GNSS boards\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003e4) Built-in 4G LTE — RTK \/ NTRIP Without Another Internet Device\u003c\/h2\u003e\n  \u003cdiv class=\"content-card\"\u003e\n    \u003cp\u003eWhen you \u003cem\u003edo\u003c\/em\u003e want classic RTK (highest accuracy, shortest convergence), most boards still need a phone, tablet, or external modem to reach an NTRIP caster. The GeoAstra C2-X20P-U already has a 4G LTE module and Nano-SIM on board.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003eInsert a SIM and the board can access NTRIP \/ RTK correction services by itself\u003c\/li\u003e\n      \u003cli\u003eNo need to tether to a phone or pair a separate LTE dongle for internet\u003c\/li\u003e\n      \u003cli\u003eCleaner OEM integration: GNSS + cellular in one PCB\u003c\/li\u003e\n      \u003cli\u003eRTK performance on this platform: 0.6 cm + 1 ppm horizontal · 1.0 cm + 1 ppm vertical (RMS), convergence typically \u0026lt; 7 s\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"takeaway\"\u003e→ Use PPP when you want zero RTK infrastructure — or use onboard 4G LTE when you want full NTRIP RTK without extra hardware\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eWhy These Four Matter Together\u003c\/h2\u003e\n  \u003cdiv class=\"feature-grid\"\u003e\n    \u003cdiv class=\"content-card\"\u003e\n      \u003ch3\u003eRemote \/ rural work\u003c\/h3\u003e\n      \u003cp\u003eUse PPP when there is no nearby base and you do not want a correction subscription.\u003c\/p\u003e\n      \u003cp class=\"takeaway\"\u003e→ High precision from satellites alone\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"content-card\"\u003e\n      \u003ch3\u003eNetwork RTK sites\u003c\/h3\u003e\n      \u003cp\u003eUse onboard 4G LTE + NTRIP for centimeter RTK without a phone in the loop.\u003c\/p\u003e\n      \u003cp class=\"takeaway\"\u003e→ Self-contained rover board\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"content-card\"\u003e\n      \u003ch3\u003eField apps on phones\u003c\/h3\u003e\n      \u003cp\u003eBLE for iOS and SPP for Android \/ PC — talk to the board from the tools your team already uses.\u003c\/p\u003e\n      \u003cp class=\"takeaway\"\u003e→ Fewer dongles and bridges\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"content-card\"\u003e\n      \u003ch3\u003eOEM product design\u003c\/h3\u003e\n      \u003cp\u003eAll-band X20P performance in a thin 18.8 g carrier with USB-C, SMA, and 5–30 V VIN.\u003c\/p\u003e\n      \u003cp class=\"takeaway\"\u003e→ Ready for robotics, UAVs, and connected instruments\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eKey Specs at a Glance\u003c\/h2\u003e\n  \u003cdiv class=\"datasheet\"\u003e\n    \u003cdiv class=\"datasheet-section\"\u003e\n      \u003ch3\u003eGNSS \u0026amp; Accuracy\u003c\/h3\u003e\n      \u003ctable class=\"datasheet-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eEngine\u003c\/td\u003e\n            \u003ctd\u003eu-blox X20P · 672 channels · all-band multi-constellation\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eConstellations\u003c\/td\u003e\n            \u003ctd\u003eGPS · BDS · Galileo · QZSS · NavIC · SBAS\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eModes\u003c\/td\u003e\n            \u003ctd\u003eSingle · SBAS · RTK · PPP-RTK · PPP\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eRTK accuracy (RMS)\u003c\/td\u003e\n            \u003ctd\u003e0.6 cm + 1 ppm (H) · 1.0 cm + 1 ppm (V)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003ePPP-RTK \/ PPP (RMS)\u003c\/td\u003e\n            \u003ctd\u003e\u0026lt; 6 cm H \/ \u0026lt; 10 cm V · \u0026lt; 10 cm H \/ \u0026lt; 20 cm V\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eUpdate rate\u003c\/td\u003e\n            \u003ctd\u003eUp to 25 Hz\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTTFF\u003c\/td\u003e\n            \u003ctd\u003eCold 25 s · Hot \/ aided 2 s\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"datasheet-section\"\u003e\n      \u003ch3\u003eConnectivity (the selling points)\u003c\/h3\u003e\n      \u003ctable class=\"datasheet-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eBluetooth\u003c\/td\u003e\n            \u003ctd\u003eClassic SPP + BLE (V5.1) — iOS app capable via BLE\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eCellular\u003c\/td\u003e\n            \u003ctd\u003eBuilt-in 4G LTE + Nano-SIM — onboard NTRIP \/ internet for RTK\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eUSB\u003c\/td\u003e\n            \u003ctd\u003eType-C · 5 V · 9600–460800 bit\/s\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eAntenna\u003c\/td\u003e\n            \u003ctd\u003eSMA · 3.3 V \/ 200 mA bias\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eApp \/ cloud\u003c\/td\u003e\n            \u003ctd\u003eGeoAstra BLE-GNSS (iOS) · GeoAstra mobile \/ cloud workflow\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"datasheet-section\"\u003e\n      \u003ch3\u003eMechanical \u0026amp; Power\u003c\/h3\u003e\n      \u003ctable class=\"datasheet-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eSize \/ weight\u003c\/td\u003e\n            \u003ctd\u003e61.3 × 56.5 × 5.8 mm · 18.8 g\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eVIN\u003c\/td\u003e\n            \u003ctd\u003e5 V ~ 30 V (7-pin) · USB-C 5 V\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003ePower consumption\u003c\/td\u003e\n            \u003ctd\u003e800 mW (typical)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTemperature\u003c\/td\u003e\n            \u003ctd\u003e−40°C ~ +85°C (operating \u0026amp; storage)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eI\/O headers\u003c\/td\u003e\n            \u003ctd\u003e7-pin (UART \/ PPS \/ VIN) · 6-pin (EVENT \/ INT) · 1.25 mm pitch\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cp class=\"footnote\"\u003e\n      Accuracy figures are typical RMS values for the u-blox X20P platform and depend on sky view, antenna, baseline \/ service quality, and multipath. PPP \/ PPP-RTK availability depends on supported global or regional correction services (e.g. Galileo HAS). F9P comparison points reflect commonly published ZED-F9P vs ZED-X20P differences from u-blox \/ industry sources.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cdiv class=\"content-card\"\u003e\n    \u003cul\u003e\n      \u003cli\u003eGeoAstra C2-X20P-U GNSS High-precision Positioning Board × 1\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"takeaway\"\u003e→ Nano-SIM and host cables are not included unless listed separately on the product page\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eOptional Antennas\u003c\/h2\u003e\n  \u003cdiv class=\"content-card\"\u003e\n    \u003cp\u003eThe C2-X20P-U uses an SMA antenna port with 3.3 V bias. Pair it with a multi-band high-precision antenna for best RTK \/ PPP results. Recommended optional accessories from our shop:\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n        \u003ca href=\"https:\/\/gpswebshop.com\/products\/bynav-by403-tri-band-automotive-grade-gnss-antenna-l1-l2-l5-bands-84mm-diameter\" target=\"_blank\" rel=\"noopener\"\u003eByNav BY403 Tri-band Automotive-Grade GNSS Antenna (L1 \/ L2 \/ L5, Φ84 mm)\u003c\/a\u003e\n        — multi-feedpoint survey-style antenna with integrated cable; magnetic \/ adhesive mount\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003ca href=\"https:\/\/gpswebshop.com\/products\/columbus-hak-1-tri-band-helical-antenna-kit-l1-l2-l5-bands\" target=\"_blank\" rel=\"noopener\"\u003eColumbus HAK-1 Tri-Band Helical Antenna Kit (L1 \/ L2 \/ L5)\u003c\/a\u003e\n        — compact IP67 helical kit with magnetic base and SMA cables; ideal for drones, robotics, and mobile mounts\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp class=\"takeaway\"\u003e→ Antenna sold separately — choose BY403 for a larger survey-style mount, or HAK-1 for a light helical kit\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"GeoAstra","offers":[{"title":"C2-M2X EVB (without Antenna)","offer_id":49340602089780,"sku":null,"price":499.0,"currency_code":"USD","in_stock":true},{"title":"C2-M2X EVB (with HAK-1 Tri-Frequency Helical Antenna)","offer_id":49340602155316,"sku":null,"price":559.0,"currency_code":"USD","in_stock":true},{"title":"C2-M2X EVB (with BY403 Tri-Frequency Antenna)","offer_id":49340602122548,"sku":null,"price":564.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2104\/5147\/files\/CodexImageSep17_2026_10_36_42PM.png?v=1792526473","url":"https:\/\/gpswebshop.com\/products\/geoastra-c2-x20p-u-u-blox-x20p-gnss-board-rtk-galileo-has-ppp-4g-lte-ble","provider":"GPSWebShop","version":"1.0","type":"link"}