{"product_id":"chcnav-i89-gnss-receiver","title":"CHCNAV i89 GNSS Receiver","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/0IjZQxAW060?si=TjbYnbHrdA2hOUEt\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/aaisurvey.com\/datasheets\/chcnav-i89-gnss-receiver-data-sheet\" target=\"_blank\" title=\"CHCNAV i89 GNSS Receiver Data Sheet\" rel=\"noopener\"\u003eData Sheet\u003c\/a\u003e | \u003ca href=\"https:\/\/aaisurvey.com\/datasheets\/chcnav-i89-gnss-receiver-user-guide\" target=\"_blank\" title=\"CHCNAV i89 GNSS Receiver User Guide\" rel=\"noopener\"\u003eUser Guide\u003c\/a\u003e\n\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003e\u003ca href=\"https:\/\/www.youtube.com\/playlist?list=PLVXSfWVt45KykzOD2b7mVmjE9eWRa7Jzg\" title=\"CHCNAV GNSS Receiver | Training \u0026amp; Tutorials\" rel=\"noopener\" target=\"_blank\"\u003eTraining Videos\u003c\/a\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eWhat’s Included\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCHCNAV i89 Rover Kit – Part Number 8001 010 366\u003c\/strong\u003e includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1× A11551980007070507 – CHCNAV i89 GNSS Receiver\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4101 030 004 – UHF Whip Antenna, 450–470 MHz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4103 010 096 – USB Type-C Cable\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4106 040 057 – Rover Transport Hard Case\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4106 040 152 – Rover Hard Case Inner Carton\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4106 040 158 – Rover Hard Case Outer Carton\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 0103 051 069 – CHCNAV GNSS Receiver Case Label\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4102 020 026 – Range Pole\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4102 070 001 – Auxiliary H.I. Tool, Silver\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4104 060 069 – 5 V \/ 2.4 A Power Adapter\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV’s rover kit documentation also identifies the i89 package as including the receiver, UHF antenna, power adapter, USB Type-C cable, 2 m range pole, auxiliary H.I. tool, and transport hard case. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/pn1CzGdQT94?si=fQiPYqt30N_Yq5lz\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/geospatial.chcnav.com\/products\/chcnav-i89\" title=\"CHCNAV i89 Visual IMU-RTK GNSS Receiver Product Catalog\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eCHCNAV i89\u003c\/strong\u003e\u003c\/a\u003e is a compact \u003cstrong\u003eVisual IMU-RTK GNSS receiver\u003c\/strong\u003e designed for professional surveying, construction layout, mapping, and engineering applications. It combines a \u003cstrong\u003e1408-channel GNSS engine\u003c\/strong\u003e, CHCNAV iStar2.0 technology, 200 Hz AUTO-IMU tilt compensation, dual integrated cameras, internal UHF radio, and visual surveying capabilities in a lightweight receiver weighing just \u003cstrong\u003e750 g (1.65 lb)\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe i89 is designed to handle both conventional RTK surveying and more advanced visual workflows. Its integrated cameras support \u003cstrong\u003eVisual Survey, Visual Navigation, Visual Stakeout, and 3D Modeling\u003c\/strong\u003e through LandStar, making it possible to measure difficult or inaccessible points and provide camera-based stakeout guidance. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWith RTK accuracy of \u003cstrong\u003e8 mm + 1 ppm horizontal\u003c\/strong\u003e and \u003cstrong\u003e15 mm + 1 ppm vertical\u003c\/strong\u003e, long battery life, IP68 environmental protection, and a compact form factor, the i89 provides a versatile rover solution for crews that want advanced visual capabilities without moving to a larger receiver.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1408-channel multi-constellation GNSS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCHCNAV \u003cstrong\u003eiStar2.0\u003c\/strong\u003e positioning technology\u003c\/li\u003e\n\u003cli\u003eDual integrated cameras\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Survey\u003c\/strong\u003e point measurement\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAR Visual Navigation and Stakeout\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eVideo-based \u003cstrong\u003e3D Modeling\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e200 Hz AUTO-IMU\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePole tilt compensation up to \u003cstrong\u003e60°\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRTK accuracy of \u003cstrong\u003e8 mm + 1 ppm horizontal\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBuilt-in \u003cstrong\u003e410–470 MHz UHF radio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWi-Fi, Bluetooth, and NFC connectivity\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e16.5 hours\u003c\/strong\u003e of RTK rover operation\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e18 W fast charging\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCompact \u003cstrong\u003e750 g\u003c\/strong\u003e receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68\u003c\/strong\u003e environmental protection\u003c\/li\u003e\n\u003cli\u003eDesigned to survive a \u003cstrong\u003e2-meter pole drop\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e8 GB internal memory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e1408-Channel GNSS with iStar2.0\u003c\/h2\u003e\n\u003cp\u003eThe i89 uses a \u003cstrong\u003e1408-channel GNSS engine\u003c\/strong\u003e with CHCNAV iStar2.0 technology and an integrated SoC architecture for full-constellation satellite tracking.\u003c\/p\u003e\n\u003cp\u003eCHCNAV states that the system is designed to improve RTK availability in challenging environments, with advanced ionospheric modeling and interference mitigation intended to maintain a high fix rate during periods of strong ionospheric activity. CHCNAV also specifies up to a \u003cstrong\u003e15% improvement in fix rate\u003c\/strong\u003e in difficult environments and a \u003cstrong\u003e20% improvement in data quality\u003c\/strong\u003e through narrow-band multipath mitigation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSupported signals include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS:\u003c\/strong\u003e L1C\/A, L2C, L2P(Y), L5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGLONASS:\u003c\/strong\u003e L1, L2, L3*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalileo:\u003c\/strong\u003e E1, E5a, E5b, E6*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeiDou:\u003c\/strong\u003e B1I, B2I, B3I, B1C, B2a, B2b*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQZSS:\u003c\/strong\u003e L1C\/A, L1C, L2C, L5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNavIC\/IRNSS:\u003c\/strong\u003e L5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSBAS:\u003c\/strong\u003e L1, L5*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPP:\u003c\/strong\u003e B2b-PPP and E6B-HAS support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Certain signals may depend on firmware or service availability. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVisual Surveying\u003c\/h2\u003e\n\u003cp\u003eThe i89 uses its dual cameras and video photogrammetry workflow to measure points that may be difficult, unsafe, or inconvenient to occupy directly with a GNSS pole.\u003c\/p\u003e\n\u003cp\u003eIn Visual Survey mode, the operator records video of the target area and can then select the required point from the captured imagery. The system processes the imagery to calculate the point’s coordinates. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifies typical Visual Survey performance of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e 2–4 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking range:\u003c\/strong\u003e 2–15 m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system uses dynamic panoramic capture, and CHCNAV states that its visual workflow can improve measurement efficiency significantly compared with conventional point-by-point occupation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAR Visual Navigation and Stakeout\u003c\/h2\u003e\n\u003cp\u003eThe i89 supports \u003cstrong\u003eVisual Navigation and Visual Stakeout\u003c\/strong\u003e through LandStar.\u003c\/p\u003e\n\u003cp\u003eInstead of relying only on traditional numerical directions and distance-to-point values, the operator can use a live camera view with visual guidance to locate the stakeout point. CHCNAV’s VPT™ — Virtual Pole Tip — technology is designed to visually represent the pole tip and target point within the stakeout view.\u003c\/p\u003e\n\u003cp\u003eThis is especially useful for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConstruction layout\u003c\/li\u003e\n\u003cli\u003eBoundary stakeout\u003c\/li\u003e\n\u003cli\u003eLine stakeout\u003c\/li\u003e\n\u003cli\u003eCAD-based stakeout\u003c\/li\u003e\n\u003cli\u003eProjects where less experienced operators benefit from visual guidance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV states that this workflow can reduce stakeout time by up to \u003cstrong\u003e50%\u003c\/strong\u003e in some applications. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e200 Hz AUTO-IMU Tilt Compensation\u003c\/h2\u003e\n\u003cp\u003eThe i89 includes a \u003cstrong\u003e200 Hz AUTO-IMU\u003c\/strong\u003e designed to allow accurate measurements while the survey pole is tilted.\u003c\/p\u003e\n\u003cp\u003eThis helps reduce the need to keep the pole perfectly vertical and is particularly useful around:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuildings\u003c\/li\u003e\n\u003cli\u003eFences\u003c\/li\u003e\n\u003cli\u003eVegetation\u003c\/li\u003e\n\u003cli\u003eTrenches\u003c\/li\u003e\n\u003cli\u003eVehicles\u003c\/li\u003e\n\u003cli\u003eOther physical obstructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTilt range:\u003c\/strong\u003e 0–60°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMU update rate:\u003c\/strong\u003e 200 Hz\u003c\/li\u003e\n\u003cli\u003eAdditional horizontal pole-tilt uncertainty typically less than \u003cstrong\u003e8 mm + 0.7 mm\/°\u003c\/strong\u003e when tilted up to 30°\u003c\/li\u003e\n\u003cli\u003eCalibration-free IMU\u003c\/li\u003e\n\u003cli\u003eResistant to magnetic interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e3D Modeling\u003c\/h2\u003e\n\u003cp\u003eThe i89 can also record video for \u003cstrong\u003e3D modeling applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIn modeling mode, the operator captures the target from multiple heights, distances, and angles. The recorded imagery can then be exported and used with compatible 3D modeling software.\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifically positions this capability for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding and facade modeling\u003c\/li\u003e\n\u003cli\u003eSite documentation\u003c\/li\u003e\n\u003cli\u003eCombining UAV and GNSS RTK data\u003c\/li\u003e\n\u003cli\u003eLarger-area 3D modeling workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 3D Modeling feature may require activation through a function code. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIntegrated UHF Radio\u003c\/h2\u003e\n\u003cp\u003eThe i89 includes an internal UHF radio for direct base-to-rover communication.\u003c\/p\u003e\n\u003cp\u003eSpecifications include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 410–470 MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransmit power:\u003c\/strong\u003e 0.5 W or 1 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols:\u003c\/strong\u003e CHC, Transparent, TT450, Satel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLink rate:\u003c\/strong\u003e 9600–19,200 bps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical range:\u003c\/strong\u003e 3 km\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal range:\u003c\/strong\u003e Up to 8 km\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe included 450–470 MHz whip antenna allows the receiver to work as a UHF rover with a compatible base station. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompact and Lightweight Design\u003c\/h2\u003e\n\u003cp\u003eOne of the i89’s biggest advantages is its size.\u003c\/p\u003e\n\u003cp\u003eAt just \u003cstrong\u003e750 g (1.65 lb)\u003c\/strong\u003e and measuring approximately \u003cstrong\u003eØ133 × 87 mm\u003c\/strong\u003e, the receiver integrates GNSS, IMU, UHF, and dual-camera systems into a compact package that is easy to carry and use throughout a full day in the field. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor crews that perform a high volume of rover work, the reduced receiver weight can make the system more comfortable to operate over long periods.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLong Battery Life and Fast Charging\u003c\/h2\u003e\n\u003cp\u003eThe i89 uses a built-in \u003cstrong\u003e7.2 V \/ 4900 mAh lithium battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifies operating times of up to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16.5 hours\u003c\/strong\u003e – UHF or 4G RTK Rover without camera use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.5 hours\u003c\/strong\u003e – Visual Stakeout \/ Visual Survey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 hours\u003c\/strong\u003e – UHF RTK Base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22 hours\u003c\/strong\u003e – Static operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe receiver also supports \u003cstrong\u003e18 W quick charging\u003c\/strong\u003e, with a full charge specified at approximately \u003cstrong\u003e3 hours\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRugged Field Performance\u003c\/h2\u003e\n\u003cp\u003eThe i89 is built for daily field use and includes environmental protection appropriate for professional survey work.\u003c\/p\u003e\n\u003cp\u003eIt features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68\u003c\/strong\u003e ingress protection\u003c\/li\u003e\n\u003cli\u003eDesigned to survive a \u003cstrong\u003e2-meter pole drop\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVibration compliance with \u003cstrong\u003eISO 9022-36-08\u003c\/strong\u003e and \u003cstrong\u003eMIL-STD-810H\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating temperature from \u003cstrong\u003e-40°C to +65°C (-40°F to +149°F)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eStorage temperature from \u003cstrong\u003e-40°C to +85°C (-40°F to +185°F)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e100% non-condensing humidity resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cp\u003eThe CHCNAV i89 is well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoundary surveying\u003c\/li\u003e\n\u003cli\u003eTopographic surveying\u003c\/li\u003e\n\u003cli\u003eConstruction layout\u003c\/li\u003e\n\u003cli\u003eSite development\u003c\/li\u003e\n\u003cli\u003ePoint stakeout\u003c\/li\u003e\n\u003cli\u003eAs-built surveys\u003c\/li\u003e\n\u003cli\u003eCadastral surveying\u003c\/li\u003e\n\u003cli\u003eUtility surveying\u003c\/li\u003e\n\u003cli\u003eRoad and infrastructure work\u003c\/li\u003e\n\u003cli\u003eTilt-compensated GNSS surveying\u003c\/li\u003e\n\u003cli\u003eRemote or obstructed point measurement\u003c\/li\u003e\n\u003cli\u003eVisual Survey workflows\u003c\/li\u003e\n\u003cli\u003eAR-assisted stakeout\u003c\/li\u003e\n\u003cli\u003eBuilding and facade modeling\u003c\/li\u003e\n\u003cli\u003eStatic and PPK GNSS work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGNSS Channels:\u003c\/strong\u003e 1408 with iStar2.0\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRTK Accuracy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 8 mm + 1 ppm RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 15 mm + 1 ppm RMS\u003c\/li\u003e\n\u003cli\u003eInitialization time: \u0026lt;10 seconds\u003c\/li\u003e\n\u003cli\u003eInitialization reliability: \u0026gt;99.9%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePost-Processed Kinematic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 3 mm + 1 ppm RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 5 mm + 1 ppm RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Precision Static\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 2.5 mm + 0.1 ppm RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 3.5 mm + 0.4 ppm RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStatic \/ Rapid Static\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 2.5 mm + 0.5 ppm RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 5 mm + 0.5 ppm RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVisual Survey\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTypical accuracy: 2–4 cm\u003c\/li\u003e\n\u003cli\u003eRange: 2–15 m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVisual Stakeout\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 8 mm + 1 ppm RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 15 mm + 1 ppm RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePositioning Rate:\u003c\/strong\u003e 1 Hz, 5 Hz, and supported 10 Hz operation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIMU\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e200 Hz AUTO-IMU\u003c\/li\u003e\n\u003cli\u003eTilt range: 0–60°\u003c\/li\u003e\n\u003cli\u003eCalibration-free\u003c\/li\u003e\n\u003cli\u003eMagnetic interference resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-In UHF\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTx\/Rx: 410–470 MHz\u003c\/li\u003e\n\u003cli\u003ePower: 0.5 W \/ 1 W\u003c\/li\u003e\n\u003cli\u003eTypical range: 3 km\u003c\/li\u003e\n\u003cli\u003eOptimal range: Up to 8 km\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth 4.2\u003c\/li\u003e\n\u003cli\u003eWi-Fi 802.11 b\/g\/n\/ac\u003c\/li\u003e\n\u003cli\u003e2.4 GHz and 5.8 GHz\u003c\/li\u003e\n\u003cli\u003eNFC touch pairing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStorage:\u003c\/strong\u003e 8 GB internal memory\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1× USB Type-C\u003c\/li\u003e\n\u003cli\u003e1× TNC female UHF antenna port\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCameras\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual global-shutter cameras\u003c\/li\u003e\n\u003cli\u003e2 MP + 5 MP\u003c\/li\u003e\n\u003cli\u003e75° field of view\u003c\/li\u003e\n\u003cli\u003e25 fps video\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBattery:\u003c\/strong\u003e Built-in 7.2 V \/ 4900 mAh lithium-ion\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRTK Rover without camera: Up to 16.5 hours\u003c\/li\u003e\n\u003cli\u003eVisual Survey \/ Stakeout: Up to 9.5 hours\u003c\/li\u003e\n\u003cli\u003eUHF Base: Up to 10 hours\u003c\/li\u003e\n\u003cli\u003eStatic: Up to 22 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQuick Charge:\u003c\/strong\u003e 18 W, approximately 3 hours\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP68\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrop Rating:\u003c\/strong\u003e 2-meter pole drop\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +65°C (-40°F to +149°F)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e Ø133 × 87 mm (Ø5.24 × 3.43 in)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 750 g (1.65 lb)\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompact Visual GNSS for Everyday Surveying\u003c\/h2\u003e\n\u003cp class=\"\"\u003eThe \u003cstrong\u003eCHCNAV i89\u003c\/strong\u003e combines professional RTK accuracy, AUTO-IMU tilt compensation, dual-camera Visual Survey, AR stakeout, integrated UHF communication, and 3D modeling capability in a compact 750 g receiver. It is a strong choice for surveyors and construction professionals who want advanced visual GNSS features in a smaller, lighter package for everyday field work.\u003c\/p\u003e","brand":"CHCNAV","offers":[{"title":"Default Title","offer_id":42851927425104,"sku":"8001010366","price":8495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6185\/2752\/files\/CHCNAV-i89-GNSS-Receiver_-CHCNAV-Absolute-Accuracy-Inc-226549181.png?v=1786991874","url":"https:\/\/aaisurvey.com\/es\/products\/chcnav-i89-gnss-receiver","provider":"Absolute Accuracy","version":"1.0","type":"link"}