{"product_id":"chcnav-i85-gnss-receiver","title":"CHCNAV i85 GNSS Receiver","description":"\u003ch2 style=\"text-align: center;\"\u003e\n\u003ca href=\"https:\/\/aaisurvey.com\/datasheets\/chcnav-i85-gnss-receiver-data-sheet\" target=\"_blank\" title=\"CHCNAV i85 GNSS Receiver Data Sheet\" rel=\"noopener\"\u003eData Sheet\u003c\/a\u003e | \u003ca href=\"https:\/\/aaisurvey.com\/datasheets\/chcnav-i85-gnss-receiver-user-guide\" target=\"_blank\" title=\"CHCNAV i85 GNSS Receiver User Guide\" rel=\"noopener\"\u003eUser Guide\u003c\/a\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.youtube.com\/playlist?list=PLVXSfWVt45KykzOD2b7mVmjE9eWRa7Jzg\" target=\"_blank\" title=\"CHCNAV GNSS Receiver | Training \u0026amp; Tutorials\" rel=\"noopener\"\u003eTraining Videos\u003c\/a\u003e\n\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCHCNAV i85 Rover Kit – Part Number 8001 010 460\u003c\/strong\u003e includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1× 1101 020 029 – CHCNAV i85 GNSS Receiver\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 1300 120 001 – SMA Whip Antenna, 410–470 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× 160051000H – Rover Transport Hard Case\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1× 4106 080 439 – i85 Transport Hard Case Foam \/ Pocket Insert\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 – Power Adapter\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV’s i85 user guide also identifies the rover 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\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCHCNAV i85\u003c\/strong\u003e is a compact \u003cstrong\u003eLaser IMU-RTK GNSS receiver\u003c\/strong\u003e designed to combine professional RTK positioning with long-range laser measurement, visual stakeout, tilt compensation, and satellite-delivered PointSky corrections.\u003c\/p\u003e\n\u003cp\u003eAt the heart of the i85 is an \u003cstrong\u003e1892-channel GNSS engine\u003c\/strong\u003e with CHCNAV iStar technology, providing multi-constellation tracking and RTK accuracy of \u003cstrong\u003e8 mm + 1 ppm horizontal\u003c\/strong\u003e and \u003cstrong\u003e15 mm + 1 ppm vertical\u003c\/strong\u003e. The receiver also incorporates a \u003cstrong\u003e200 Hz AUTO-IMU\u003c\/strong\u003e, allowing survey points to be collected with the pole tilted as much as 60°. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe standout feature is its integrated \u003cstrong\u003eindustrial-grade green laser rangefinder\u003c\/strong\u003e, which can measure hard-to-reach points at distances of up to \u003cstrong\u003e150 meters under favorable conditions\u003c\/strong\u003e. Dual cameras, including an \u003cstrong\u003e8 MP high-definition camera\u003c\/strong\u003e, help the operator aim precisely at distant targets and also support Visual Navigation and CAD AR Visual Stakeout through LandStar. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAt only \u003cstrong\u003e800 g (1.76 lb)\u003c\/strong\u003e, the i85 combines GNSS, IMU, laser, cameras, UHF communication, and PointSky support in a compact receiver designed for topographic surveying, utility mapping, mining, forestry, construction, and other applications where conventional pole occupation may not always be practical.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1892-channel multi-constellation GNSS\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCHCNAV \u003cstrong\u003eiStar GNSS technology\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003egreen laser rangefinder\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLaser measurement range up to \u003cstrong\u003e150 m under favorable conditions\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for remote measurement of inaccessible points\u003c\/li\u003e\n\u003cli\u003eDual cameras with \u003cstrong\u003e2 MP + 8 MP sensors\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntelligent autofocus and zoom for distant targeting\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\u003e\u003cstrong\u003eCAD AR Visual Stakeout\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eVisual Navigation with LandStar\u003c\/li\u003e\n\u003cli\u003eRTK accuracy of \u003cstrong\u003e8 mm + 1 ppm horizontal\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCHCNAV PointSky\u003c\/strong\u003e satellite correction support\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003e410–470 MHz UHF Tx\/Rx radio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCHCNAV \u003cstrong\u003eDistLink\u003c\/strong\u003e radio protocol\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e20 hours\u003c\/strong\u003e RTK rover battery life\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e15 hours\u003c\/strong\u003e of Laser Survey operation\u003c\/li\u003e\n\u003cli\u003eLightweight \u003cstrong\u003e800 g (1.76 lb)\u003c\/strong\u003e design\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 storage\u003c\/li\u003e\n\u003cli\u003eWi-Fi, Bluetooth, and NFC connectivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eIntegrated 150 m Green Laser\u003c\/h2\u003e\n\u003cp\u003eThe i85 incorporates an \u003cstrong\u003eindustrial-grade Class 3R green laser\u003c\/strong\u003e designed for surveying points that cannot easily or safely be occupied with a GNSS pole.\u003c\/p\u003e\n\u003cp\u003eInstead of physically placing the pole directly on the target, the operator can aim the laser at the desired point and calculate its 3D coordinates using the receiver’s GNSS, IMU, and laser measurement system.\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifies a laser range of up to \u003cstrong\u003e150 meters under favorable conditions\u003c\/strong\u003e, such as nighttime operation and highly reflective targets. Actual usable range depends on target reflectivity, ambient light, weather, and other environmental conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor everyday field use, the i85 user guide recommends measurement distances of less than 20 meters where possible, with approximately 10 meters described as an optimal working distance. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe laser is designed to remain visible in ambient light levels up to \u003cstrong\u003e50,000 lux\u003c\/strong\u003e, helping operators target surfaces outdoors even in bright conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMeasure Hard-to-Reach Points Remotely\u003c\/h2\u003e\n\u003cp\u003eLaser Survey allows the i85 to collect points where conventional GNSS pole positioning may be difficult, unsafe, or impossible.\u003c\/p\u003e\n\u003cp\u003eTypical examples include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAcross water\u003c\/li\u003e\n\u003cli\u003eAcross fences\u003c\/li\u003e\n\u003cli\u003eBuilding corners\u003c\/li\u003e\n\u003cli\u003eUtility structures\u003c\/li\u003e\n\u003cli\u003eSlopes and embankments\u003c\/li\u003e\n\u003cli\u003eExcavations\u003c\/li\u003e\n\u003cli\u003eRoadways\u003c\/li\u003e\n\u003cli\u003eStockpiles\u003c\/li\u003e\n\u003cli\u003eTrees and vegetation\u003c\/li\u003e\n\u003cli\u003eRestricted-access areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy combining the laser distance with GNSS positioning and IMU orientation, the receiver can calculate a remote 3D coordinate without requiring the surveyor to physically occupy the point.\u003c\/p\u003e\n\u003cp\u003eCHCNAV states that this workflow can increase efficiency by more than \u003cstrong\u003e50%\u003c\/strong\u003e in suitable applications. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e8 MP Camera with Intelligent Auto-Focus\u003c\/h2\u003e\n\u003cp\u003eAccurately aiming a laser becomes increasingly difficult as measurement distance increases, so the i85 incorporates a high-resolution camera system specifically designed to assist remote targeting.\u003c\/p\u003e\n\u003cp\u003eThe receiver includes dual global-shutter cameras:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e8 MP primary camera\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2 MP secondary camera\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e91° field of view\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e30 fps\u003c\/strong\u003e adaptive video\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 8 MP camera functions much like a digital telescope, allowing distant objects to remain clear while the operator aims the laser.\u003c\/p\u003e\n\u003cp\u003eAutomatic focus and zoom help simplify point targeting, while manual zoom control is also available when needed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLaser Survey Modes\u003c\/h2\u003e\n\u003cp\u003eLandStar supports dedicated \u003cstrong\u003eLaser Survey\u003c\/strong\u003e workflows with the i85.\u003c\/p\u003e\n\u003cp\u003eThe system provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRapid Laser Survey\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHigh-Accuracy Laser Survey\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eAutomatic zoom\u003c\/li\u003e\n\u003cli\u003eManual zoom\u003c\/li\u003e\n\u003cli\u003eAutomatic point storage\u003c\/li\u003e\n\u003cli\u003eAdjustable movement and collection timing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV specifies Rapid Laser Survey accuracy of approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e3 cm within 5 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5 cm within 10 m\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBefore laser measurement, the receiver performs an initialization procedure to establish the necessary IMU and laser orientation parameters. The operator then centers the on-screen targeting crosshair over the desired point and initiates the measurement. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e1892-Channel GNSS Performance\u003c\/h2\u003e\n\u003cp\u003eThe i85 features a high-performance \u003cstrong\u003e1892-channel GNSS engine\u003c\/strong\u003e designed for professional multi-frequency satellite tracking.\u003c\/p\u003e\n\u003cp\u003eSupported systems include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS:\u003c\/strong\u003e L1C\/A, L1C, L2C, L5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGLONASS:\u003c\/strong\u003e G1, G2, L1OC*, L2OC*, L3OC*\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalileo:\u003c\/strong\u003e E1C, E5a, E5b, E5AltBoC, 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(B), L1C, L2C, L5, L6D\/E*\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 EGNOS L1 and L5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPP:\u003c\/strong\u003e B2b-PPP and E6B-HAS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL-band:\u003c\/strong\u003e CHCNAV PointSky\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV specifies RTK initialization reliability above \u003cstrong\u003e99.9%\u003c\/strong\u003e, with initialization typically occurring in less than 10 seconds under suitable conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e*Certain signals may depend on firmware and service availability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProfessional RTK Accuracy\u003c\/h2\u003e\n\u003cp\u003eFor conventional GNSS surveying, the i85 provides centimeter-level RTK positioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRTK Accuracy\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: \u003cstrong\u003e8 mm + 1 ppm RMS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eVertical: \u003cstrong\u003e15 mm + 1 ppm RMS\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInitialization time: \u003cstrong\u003e\u0026lt;10 seconds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInitialization reliability: \u003cstrong\u003e\u0026gt;99.9%\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe receiver also supports PPK, high-precision static, rapid static, code differential, autonomous positioning, and supported PPP workflows. \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 i85 integrates a \u003cstrong\u003e200 Hz AUTO-IMU\u003c\/strong\u003e for tilt-compensated GNSS measurements.\u003c\/p\u003e\n\u003cp\u003eInstead of leveling the survey pole for every observation, operators can collect points while the pole is tilted up to \u003cstrong\u003e60°\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis is useful when surveying around:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWalls\u003c\/li\u003e\n\u003cli\u003eBuildings\u003c\/li\u003e\n\u003cli\u003eFences\u003c\/li\u003e\n\u003cli\u003eVehicles\u003c\/li\u003e\n\u003cli\u003eTrenches\u003c\/li\u003e\n\u003cli\u003eVegetation\u003c\/li\u003e\n\u003cli\u003eUtility structures\u003c\/li\u003e\n\u003cli\u003eOther obstacles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV specifies additional horizontal pole-tilt uncertainty of typically less than \u003cstrong\u003e8 mm + 0.3 mm\/°\u003c\/strong\u003e when tilted up to 30°. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe IMU is calibration-free for normal operation and is designed to remain unaffected by magnetic interference.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCAD AR Visual Stakeout\u003c\/h2\u003e\n\u003cp\u003eThe i85’s cameras are not limited to laser targeting. They also support \u003cstrong\u003eVisual Navigation and CAD AR Visual Stakeout\u003c\/strong\u003e through LandStar.\u003c\/p\u003e\n\u003cp\u003eDuring stakeout, the target point can be shown directly within the live camera view rather than relying only on conventional directional arrows and numerical distances.\u003c\/p\u003e\n\u003cp\u003eThe system uses the front camera when approaching the target and can transition to the bottom camera at close range. CHCNAV’s \u003cstrong\u003eVPT – Virtual Pole Tip\u003c\/strong\u003e technology helps visually align the pole tip with the desired stakeout point. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis can simplify layout operations for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding construction\u003c\/li\u003e\n\u003cli\u003eFoundations\u003c\/li\u003e\n\u003cli\u003eUtilities\u003c\/li\u003e\n\u003cli\u003eSite development\u003c\/li\u003e\n\u003cli\u003eRoads\u003c\/li\u003e\n\u003cli\u003eCAD-based staking\u003c\/li\u003e\n\u003cli\u003eGeneral construction layout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePointSky Satellite Corrections\u003c\/h2\u003e\n\u003cp\u003eThe i85 supports \u003cstrong\u003eCHCNAV PointSky\u003c\/strong\u003e, a satellite-delivered correction service designed to provide real-time centimeter-level positioning without requiring a local RTK base station.\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifies PointSky performance of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorizontal:\u003c\/strong\u003e 2.5 cm CEP95\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical:\u003c\/strong\u003e 5 cm RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard convergence:\u003c\/strong\u003e under 5 minutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific regions:\u003c\/strong\u003e under 1 minute\u003c\/li\u003e\n\u003cli\u003eCorrection uptime during temporary interruption: up to 300 seconds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePointSky can be especially useful for remote surveying or large projects where establishing a local base station or maintaining an NTRIP connection may be inconvenient.\u003c\/p\u003e\n\u003cp\u003eCoverage, subscription status, convergence, and accuracy depend on region, satellite visibility, environment, and service configuration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIntegrated UHF Rx\/Tx Radio with DistLink\u003c\/h2\u003e\n\u003cp\u003eThe i85 includes a built-in \u003cstrong\u003eUHF Tx\/Rx radio\u003c\/strong\u003e, allowing it to both receive and transmit RTK correction data.\u003c\/p\u003e\n\u003cp\u003eThis means the receiver can operate as either:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUHF Rover – Rx:\u003c\/strong\u003e Receives corrections from a base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUHF Base – Tx:\u003c\/strong\u003e Transmits corrections to compatible rovers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe internal radio supports:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e410–470 MHz\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e0.5 W \/ 1 W transmission power\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCHC\u003c\/li\u003e\n\u003cli\u003eDistLink\u003c\/li\u003e\n\u003cli\u003eTransparent\u003c\/li\u003e\n\u003cli\u003eTT450\u003c\/li\u003e\n\u003cli\u003eSatel\u003c\/li\u003e\n\u003cli\u003e9,600–19,200 bps link rates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith \u003cstrong\u003eDistLink\u003c\/strong\u003e, CHCNAV specifies a typical communication range of approximately \u003cstrong\u003e6 km\u003c\/strong\u003e, with optimal range of up to \u003cstrong\u003e15 km\u003c\/strong\u003e under suitable conditions. Other supported protocols provide approximately 3 km typical range and up to 8 km under optimal conditions. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe receiver included in this package is supplied as a rover, but the integrated two-way radio also enables base operation when paired with the appropriate tripod, tribrach, and base accessories.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLong Battery Life\u003c\/h2\u003e\n\u003cp\u003eThe i85 uses a built-in \u003cstrong\u003e7.2 V \/ 4900 mAh lithium-ion 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\u003e20 hours\u003c\/strong\u003e – UHF RTK Rover without camera\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15 hours\u003c\/strong\u003e – Laser Survey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15 hours\u003c\/strong\u003e – Visual Stakeout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.5 hours\u003c\/strong\u003e – UHF RTK Base using DistLink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 hours\u003c\/strong\u003e – UHF RTK Base using other protocols\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe receiver charges through USB Type-C, with a full charging time of approximately \u003cstrong\u003e4.8 hours\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCompact 800 g Design\u003c\/h2\u003e\n\u003cp\u003eDespite incorporating GNSS, dual cameras, an IMU, laser rangefinder, UHF radio, and internal battery, the i85 weighs only \u003cstrong\u003e800 g (1.76 lb)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIts dimensions are approximately:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eØ134 × 86 mm (Ø5.28 × 3.39 in)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis compact design helps reduce pole weight while maintaining the advanced measurement capabilities needed for remote laser surveying and conventional GNSS work. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRugged Field-Ready Construction\u003c\/h2\u003e\n\u003cp\u003eThe i85 is designed for demanding professional field environments.\u003c\/p\u003e\n\u003cp\u003eIt features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68\u003c\/strong\u003e dust and water protection\u003c\/li\u003e\n\u003cli\u003eDesigned to survive a \u003cstrong\u003e2-meter pole drop\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eISO 9022-36-08 vibration compliance\u003c\/li\u003e\n\u003cli\u003eMIL-STD-810H vibration compliance\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\u003eWaterproof and breathable membrane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLaser Safety\u003c\/h2\u003e\n\u003cp\u003eThe i85 uses a \u003cstrong\u003eClass 3R green laser\u003c\/strong\u003e with a wavelength of approximately \u003cstrong\u003e520 ±10 nm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvoid direct eye exposure to the laser beam.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOperators should follow all safety instructions provided in the CHCNAV i85 user guide when using Laser Survey. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cp\u003eThe CHCNAV i85 is well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTopographic surveying\u003c\/li\u003e\n\u003cli\u003eBoundary surveying\u003c\/li\u003e\n\u003cli\u003eConstruction layout\u003c\/li\u003e\n\u003cli\u003eUtility mapping\u003c\/li\u003e\n\u003cli\u003eMining surveys\u003c\/li\u003e\n\u003cli\u003eForestry surveys\u003c\/li\u003e\n\u003cli\u003eSite development\u003c\/li\u003e\n\u003cli\u003eAs-built surveys\u003c\/li\u003e\n\u003cli\u003eRoad and infrastructure work\u003c\/li\u003e\n\u003cli\u003eRemote point measurement\u003c\/li\u003e\n\u003cli\u003eHard-to-reach point collection\u003c\/li\u003e\n\u003cli\u003eStockpile surveys\u003c\/li\u003e\n\u003cli\u003eMeasurements across water\u003c\/li\u003e\n\u003cli\u003eMeasurements across fences or obstacles\u003c\/li\u003e\n\u003cli\u003eLaser-assisted 3D point collection\u003c\/li\u003e\n\u003cli\u003eCAD AR stakeout\u003c\/li\u003e\n\u003cli\u003eTilt-compensated GNSS surveying\u003c\/li\u003e\n\u003cli\u003eUHF RTK base and rover operation\u003c\/li\u003e\n\u003cli\u003ePointSky satellite-correction workflows\u003c\/li\u003e\n\u003cli\u003eStatic and PPK surveying\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 1892\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\u003ePPK Accuracy\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\u003ePointSky\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 2.5 cm CEP95\u003c\/li\u003e\n\u003cli\u003eVertical: 5 cm RMS\u003c\/li\u003e\n\u003cli\u003eStandard convergence: \u0026lt;5 minutes\u003c\/li\u003e\n\u003cli\u003eSpecific regions: \u0026lt;1 minute\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Laser Survey\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 cm within 5 m\u003c\/li\u003e\n\u003cli\u003e5 cm within 10 m\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLaser\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClass 3R\u003c\/li\u003e\n\u003cli\u003eGreen laser\u003c\/li\u003e\n\u003cli\u003eRange: Up to 150 m under favorable conditions\u003c\/li\u003e\n\u003cli\u003eDesigned for outdoor operation up to 50,000 lux\u003c\/li\u003e\n\u003c\/ul\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\u003eResistant to magnetic interference\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 + 8 MP\u003c\/li\u003e\n\u003cli\u003e91° field of view\u003c\/li\u003e\n\u003cli\u003eUp to 30 fps\u003c\/li\u003e\n\u003cli\u003eAutomatic and manual zoom\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\u003c\/li\u003e\n\u003cli\u003eFrequency: 410–470 MHz\u003c\/li\u003e\n\u003cli\u003eTransmit power: 0.5 W \/ 1 W\u003c\/li\u003e\n\u003cli\u003eProtocols: CHC, DistLink, Transparent, TT450, Satel\u003c\/li\u003e\n\u003cli\u003eDistLink typical range: 6 km\u003c\/li\u003e\n\u003cli\u003eDistLink optimal range: Up to 15 km\u003c\/li\u003e\n\u003cli\u003eOther protocols typical range: 3 km\u003c\/li\u003e\n\u003cli\u003eOther protocols optimal 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 \/ 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 high-speed 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× UHF antenna port\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\u003eUHF RTK Rover without camera: Up to 20 hours\u003c\/li\u003e\n\u003cli\u003eLaser Survey: Up to 15 hours\u003c\/li\u003e\n\u003cli\u003eVisual Stakeout: Up to 15 hours\u003c\/li\u003e\n\u003cli\u003eUHF Base with DistLink: Up to 7.5 hours\u003c\/li\u003e\n\u003cli\u003eUHF Base with other protocols: Up to 10 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCharging Time:\u003c\/strong\u003e Approximately 4.8 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 Ø134 × 86 mm (Ø5.28 × 3.39 in)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 800 g (1.76 lb)\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eGNSS, Laser, and Visual Surveying in One Receiver\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCHCNAV i85\u003c\/strong\u003e combines professional RTK GNSS, 200 Hz AUTO-IMU tilt compensation, dual-camera visual stakeout, PointSky satellite corrections, and a long-range green laser into one compact receiver. Its ability to remotely measure points that cannot be directly occupied makes it especially useful for surveyors working around water, utilities, traffic, structures, slopes, vegetation, and other difficult terrain while still providing the conventional GNSS capabilities needed for everyday field work.\u003c\/p\u003e","brand":"CHCNAV","offers":[{"title":"Default Title","offer_id":42852245078096,"sku":"8001010460","price":9339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6185\/2752\/files\/CHCNAV-i85-GNSS-Receiver_-CHCNAV-Absolute-Accuracy-Inc-226551190.jpg?v=1787009649","url":"https:\/\/aaisurvey.com\/es\/products\/chcnav-i85-gnss-receiver","provider":"Absolute Accuracy","version":"1.0","type":"link"}