{"product_id":"chcnav-i83-gnss-receiver","title":"CHCNAV i83 GNSS Receiver","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/2-7T_QiOuLo?si=dWM0D_U4rG1JUAuX\" 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-i83-gnss-receiver-data-sheet\" title=\"CHCNAV i83 GNSS Receiver Data Sheet\" rel=\"noopener\" target=\"_blank\"\u003eData Sheet\u003c\/a\u003e | \u003ca href=\"https:\/\/aaisurvey.com\/datasheets\/chcnav-i83-gnss-receiver-user-guide\" title=\"CHCNAV i83 GNSS Receiver User Guide\" rel=\"noopener\" target=\"_blank\"\u003eUser Guide\u003c\/a\u003e\u003cbr\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\n\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 i83 Rover Kit – Part Number 8001 010 239\u003c\/strong\u003e includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1× A19318980901070002 – CHCNAV i83 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 040 164 – 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 i83 user documentation identifies the rover configuration as including the receiver, UHF antenna, USB Type-C connection, range pole, H.I. accessory, and transport 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 i83\u003c\/strong\u003e is a professional \u003cstrong\u003eIMU-RTK GNSS receiver\u003c\/strong\u003e built for surveying, construction layout, mapping, and engineering applications. It combines a \u003cstrong\u003e1408-channel multi-band GNSS engine\u003c\/strong\u003e, CHCNAV iStar technology, 200 Hz AUTO-IMU tilt compensation, integrated UHF and 4G communications, and long battery life in a rugged field-ready receiver. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned as a versatile base or rover solution, the i83 supports GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC\/IRNSS, SBAS, and supported PPP signals. Its third-generation GNSS antenna and iStar processing are designed to improve satellite tracking efficiency and provide dependable RTK performance in demanding field environments. \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, up to \u003cstrong\u003e34 hours of rover operation\u003c\/strong\u003e, and a calibration-free IMU, the i83 is well suited for crews that need a dependable GNSS receiver without the camera-based visual features found on models such as the i89 and i93.\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\u003eiStar\u003c\/strong\u003e positioning technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200 Hz AUTO-IMU\u003c\/strong\u003e tilt compensation\u003c\/li\u003e\n\u003cli\u003ePole tilt support from \u003cstrong\u003e0–60°\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\u003eIntegrated \u003cstrong\u003e410–470 MHz UHF Tx\/Rx radio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003e4G cellular modem\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWi-Fi, Bluetooth, and NFC connectivity\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e34 hours\u003c\/strong\u003e of RTK rover operation\u003c\/li\u003e\n\u003cli\u003eBuilt-in \u003cstrong\u003e9,900 mAh battery\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e1.1\" OLED color display\u003c\/li\u003e\n\u003cli\u003e8 GB internal memory\u003c\/li\u003e\n\u003cli\u003eSupports RTK rover, RTK base, static, and PPK workflows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67\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\u003eUSB Type-C charging and data transfer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e1408-Channel Multi-Constellation GNSS\u003c\/h2\u003e\n\u003cp\u003eThe i83 features a \u003cstrong\u003e1408-channel GNSS engine\u003c\/strong\u003e designed for high-performance multi-constellation tracking.\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\u003eCHCNAV states that its third-generation high-gain antenna can increase satellite signal tracking efficiency by up to \u003cstrong\u003e30%\u003c\/strong\u003e, helping the receiver maintain strong RTK performance in less-than-ideal environments. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e*Certain signals may depend on firmware or service availability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProfessional RTK Accuracy\u003c\/h2\u003e\n\u003cp\u003eThe i83 is designed for centimeter-level real-time positioning.\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRTK Horizontal:\u003c\/strong\u003e 8 mm + 1 ppm RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRTK Vertical:\u003c\/strong\u003e 15 mm + 1 ppm RMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization time:\u003c\/strong\u003e \u0026lt;10 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitialization reliability:\u003c\/strong\u003e \u0026gt;99.9%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor post-processing applications, the receiver also supports PPK, static, rapid static, and high-precision static 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 i83 includes a \u003cstrong\u003e200 Hz calibration-free IMU\u003c\/strong\u003e for pole-tilt compensation.\u003c\/p\u003e\n\u003cp\u003eInstead of requiring the survey pole to remain perfectly vertical for every measurement, the IMU allows points to be collected while the pole is tilted. This helps increase productivity near:\u003c\/p\u003e\n\u003cul\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\u003eWalls\u003c\/li\u003e\n\u003cli\u003eOther physical obstructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe i83 supports tilt angles from \u003cstrong\u003e0–60°\u003c\/strong\u003e, with additional horizontal pole-tilt uncertainty typically less than \u003cstrong\u003e8 mm + 0.7 mm\/°\u003c\/strong\u003e when tilted up to 30°. The IMU is also designed to remain unaffected by magnetic disturbances. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eCHCNAV positions this feature as a way to improve conventional GNSS field productivity by reducing time spent leveling the pole before each shot.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIntegrated UHF Radio\u003c\/h2\u003e\n\u003cp\u003eThe i83 includes an internal UHF Tx\/Rx radio, allowing it to operate directly in traditional radio-based RTK base and rover configurations.\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 to 2 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 9,600–19,200 bps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical range:\u003c\/strong\u003e 3–5 km\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal conditions:\u003c\/strong\u003e Up to 15 km\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe included \u003cstrong\u003e450–470 MHz whip antenna\u003c\/strong\u003e allows the rover to receive corrections directly from a compatible UHF base station. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIntegrated 4G Network RTK\u003c\/h2\u003e\n\u003cp\u003eAlongside its internal UHF radio, the i83 includes an integrated \u003cstrong\u003e4G cellular modem\u003c\/strong\u003e for network RTK operation.\u003c\/p\u003e\n\u003cp\u003eThe receiver can connect to NTRIP correction services through cellular data, allowing crews to operate without a local radio base station where compatible correction networks and cellular coverage are available.\u003c\/p\u003e\n\u003cp\u003eThe receiver also supports a Nano-SIM card and can operate as either a network rover or a conventional UHF rover depending on the jobsite configuration. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eLong Battery Life\u003c\/h2\u003e\n\u003cp\u003eThe i83 uses a built-in \u003cstrong\u003e9,900 mAh, 7.2 V lithium-ion battery\u003c\/strong\u003e with smart power management designed for extended field operation.\u003c\/p\u003e\n\u003cp\u003eCHCNAV specifies up to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e34 hours\u003c\/strong\u003e – UHF \/ 4G RTK Rover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 hours\u003c\/strong\u003e – UHF RTK Base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 hours\u003c\/strong\u003e – Static operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis extended runtime helps reduce the need to carry spare batteries during typical field days. The receiver can also be powered or charged through USB Type-C or an external power source. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBase or Rover Operation\u003c\/h2\u003e\n\u003cp\u003eAlthough this package is configured as a rover kit, the i83 receiver itself can operate in several GNSS modes.\u003c\/p\u003e\n\u003cp\u003eThe receiver supports:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUHF RTK rover\u003c\/li\u003e\n\u003cli\u003eNetwork \/ NTRIP rover\u003c\/li\u003e\n\u003cli\u003eInternal UHF base\u003c\/li\u003e\n\u003cli\u003eExternal UHF base\u003c\/li\u003e\n\u003cli\u003eCellular base\u003c\/li\u003e\n\u003cli\u003eStatic GNSS\u003c\/li\u003e\n\u003cli\u003ePPK workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCHCNAV’s user guide shows dedicated base and rover setup procedures, including internal UHF, cellular, and external radio configurations. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAdditional base-station mounting hardware is required when configuring this rover kit as a conventional tripod-mounted base.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eField Connectivity\u003c\/h2\u003e\n\u003cp\u003eThe i83 includes a broad range of communication options for integration with modern survey workflows.\u003c\/p\u003e\n\u003cp\u003eConnectivity includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e4G cellular modem\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWi-Fi 802.11a\/b\/g\/n\/ac\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBluetooth 5.0 and 4.2 + EDR\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNFC\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eNTRIP Client\u003c\/li\u003e\n\u003cli\u003eNTRIP Caster\u003c\/li\u003e\n\u003cli\u003eRS-232 communication\u003c\/li\u003e\n\u003cli\u003eUSB Type-C\u003c\/li\u003e\n\u003cli\u003eUHF radio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe receiver can be configured through compatible CHCNAV field software or its built-in web interface. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eRugged Field Design\u003c\/h2\u003e\n\u003cp\u003eThe i83 is built for surveying and construction environments where equipment is regularly exposed to dust, moisture, impacts, and temperature extremes.\u003c\/p\u003e\n\u003cp\u003eThe receiver features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67\u003c\/strong\u003e dust and water protection\u003c\/li\u003e\n\u003cli\u003eTemporary immersion protection to 1 m\u003c\/li\u003e\n\u003cli\u003eDesigned to survive a \u003cstrong\u003e2-meter pole drop\u003c\/strong\u003e\n\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\u003cli\u003eMagnesium alloy construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIntegrated OLED Display\u003c\/h2\u003e\n\u003cp\u003eUnlike receivers that rely entirely on a data collector for status information, the i83 includes a \u003cstrong\u003e1.1\" OLED color display\u003c\/strong\u003e on the front panel.\u003c\/p\u003e\n\u003cp\u003eThe display allows operators to review information such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSatellite status\u003c\/li\u003e\n\u003cli\u003eRTK working mode\u003c\/li\u003e\n\u003cli\u003eBattery level\u003c\/li\u003e\n\u003cli\u003eDifferential correction status\u003c\/li\u003e\n\u003cli\u003eData logging status\u003c\/li\u003e\n\u003cli\u003eReceiver information\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe receiver also includes physical function and power buttons for basic field operation. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cp\u003eThe CHCNAV i83 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\u003eCadastral surveying\u003c\/li\u003e\n\u003cli\u003eRoad and highway work\u003c\/li\u003e\n\u003cli\u003eUtility surveying\u003c\/li\u003e\n\u003cli\u003eEarthwork and grading\u003c\/li\u003e\n\u003cli\u003eAs-built surveys\u003c\/li\u003e\n\u003cli\u003eRTK base and rover operation\u003c\/li\u003e\n\u003cli\u003eNetwork RTK surveying\u003c\/li\u003e\n\u003cli\u003eTilt-compensated point collection\u003c\/li\u003e\n\u003cli\u003eStatic GNSS observations\u003c\/li\u003e\n\u003cli\u003ePPK surveys\u003c\/li\u003e\n\u003cli\u003eMapping and engineering applications\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\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\u003eCode Differential\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 0.4 m RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 0.8 m RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAutonomous\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal: 1.5 m RMS\u003c\/li\u003e\n\u003cli\u003eVertical: 2.5 m 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\u003cli\u003eE-Bubble leveling\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\u003eTransmit power: 0.5–2 W\u003c\/li\u003e\n\u003cli\u003eTypical range: 3–5 km\u003c\/li\u003e\n\u003cli\u003eOptimal range: Up to 15 km\u003c\/li\u003e\n\u003cli\u003eProtocols: CHC, Transparent, TT450, Satel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCellular:\u003c\/strong\u003e Integrated 4G modem\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWi-Fi 802.11a\/b\/g\/n\/ac\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 \/ 4.2 + EDR\u003c\/li\u003e\n\u003cli\u003eNFC\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× 7-pin LEMO RS-232 port\u003c\/li\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\u003eDisplay:\u003c\/strong\u003e 1.1\" OLED color display\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery:\u003c\/strong\u003e Built-in 9,900 mAh, 7.2 V lithium-ion\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUHF \/ 4G RTK Rover: Up to 34 hours\u003c\/li\u003e\n\u003cli\u003eUHF RTK Base: Up to 16 hours\u003c\/li\u003e\n\u003cli\u003eStatic: Up to 36 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Power:\u003c\/strong\u003e 9–28 V DC\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIngress Protection:\u003c\/strong\u003e IP67\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 Ø152 × 78 mm (Ø5.98 × 3.07 in)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.15 kg (2.54 lb)\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVersatile IMU-RTK for Everyday Surveying\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCHCNAV i83\u003c\/strong\u003e combines high-accuracy RTK positioning, a 1408-channel GNSS engine, 200 Hz AUTO-IMU tilt compensation, integrated UHF and 4G communications, and extended battery life in one rugged receiver. It is a strong fit for surveyors and construction professionals who need a dependable base-or-rover GNSS system with modern connectivity and efficient tilt-compensated workflows.\u003c\/p\u003e","brand":"CHCNAV","offers":[{"title":"Default Title","offer_id":42851988668496,"sku":"8001010239","price":6795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6185\/2752\/files\/CHCNAVi83GNSSReceiver.jpg?v=1786997818","url":"https:\/\/aaisurvey.com\/es\/products\/chcnav-i83-gnss-receiver","provider":"Absolute Accuracy","version":"1.0","type":"link"}