







GNSS Performance | |
Product name | CHC X16 pro |
channels | 1408 |
BDS | B1I,B2I,B3I,B1C,B2a,B2b* |
GPS | L1C/A,L1C,L2C,L2P,L5 |
GLONASS | G1,G2,G3 |
Galileo | E1,E5a,E5b,E6* |
QZSS | L1C/A,L1C,L2C,L5 |
IRNSS | L5* |
SBAS | L1C/A* |
size | 152 mm*81 mm |
GNSS Accuracies | |
Real time kinematic (RTK) | H: 8 mm + 1 ppm RMS V: 15 mm + 1 ppm RMS |
Initialization time:<10s | |
Initialization reliability: >99.9% | |
Post-processing kinematic (PPK) | H: 3 mm + 1 ppm RMS |
V: 5 mm + 1 ppm RMS | |
Post-processing static | H: 2.5 mm + 0.5 ppm RMV: 5 mm + 0.5 ppm RMS |
Code differential | H: 0.4 m RMS V: 0.8 m RMS |
Autonomous | H:1.5 m RMS | V: 2.5 m RMS |
Visual survey | Typical 2~4 cm, range 2~15 m |
Positioning rate | 1 Hz, 5 Hz and 10 Hz |
Time to first fix | Cold start: < 45 s, Hot start: < 10 sSignal re-acquisition: < 1 s |
IMU update rate | 200 Hz |
Till angle | 0-60° |
RTK tilt-compensated | Additional horizontal pole-tilt uncertainty typically less than 10 mm + 0.7 mm/° tilt |
Environments | |
Temperature | Operating: -40°C to +65°C (-40°F to +149°F) Storage: -40°C to +85°C (-40°F to +185°F) |
Humidity | 100% non-condensation |
Ingress protection | IP67 (according to IEC 60529) |
Drop | Survive a 2-meter pole-drop |
Vibration | Compliant with ISO 9022-36-08 and MIL-STD-810G- 514.6-Cat.24 |
Waterproof and breathable membrane | Prevent water vapor from entering under harsh environments |
Electrical | |
Power consumption | UHF/ 4G RTK Rover w/o camera: Typical 2.8 W Visual Stakeout/Visual Survey: Typical 4 W |
Li-ion battery capacity | Built-in non-removable battery9,600 mAh, 7.4 V |
Operating time on internal battery | UHF/ 4G RTK Rover w/o camera: up to 34 h Visual Stakeout/Visual Survey: up to 24 h UHF RTK Base: up to 16 h Static: up to 36 h |
External power input | 9 V DC to 28 V DC |
Hardware | |
Size (D*H) | Φ 152 x 81 mm (Φ 5.98 x 3.19 in) |
Weight | 1.15 kg (2.54 lb) |
Front panel | 1.1'' OLED Color Display 2 LED, 2 physical buttons |
Tilt sensor | Calibration-free IMU for pole-tilt compensation. Immune to magnetic disturbances. E-Bubble leveling |
Cameras | |
Sensor pixels | Global shutter with 2 MP & 5 MP |
Field of view | 75° |
Video frame rate | 25 fps |
Image group capture | Method: video photogrammetry. Rate: typically 2 Hz, up to 25Hz. Max. capture time: 60s with an image group size of appr. 60MB. |
Illumination | Starlight-grade camera. OmniPixel® -GS technology. Maintain full color at illumination levels as low as 0.01 lux. |
Communication | |
SIM card type | Nano-SIM card |
Network modem | Integrated 4G modem: TDD-LTE, FDD-LTE, WCDMA, EDGE, GPRS, GSM |
Wireless connection | NFC for device touch pairing |
Wi-Fi | Wi-Fi IEEE 802.11a/b/g/n/ac, access point mode |
Bluetooth® | 5.0 and 4.2 +EDR, backward compatible |
Ports | 1 x 7-pin LEMO port (RS-232) 1 x USB Type-C port (external power, data download, firmware update) 1 x UHF antenna port (TNCfemale) |
Built-in UHF radio | Rx/Tx: 410 - 470 MHz Transmit Power: 0.5 W to 2 W Protocol: CHC, Transparent, TT450, Satel Link rate: 9 600 bps to 19 200 bps Range: Typical 3 km to 5 km, up to 15 km with optimal conditions |
Data formats | RTCM 2.x, RTCM 3.x, CMR input / output HCN, HRC, RINEX 2.11, 3.02 NMEA 0183 output NTRIP Client, NTRIP Caster |
Data storage | 8 GB internal memory. Support 128 GB external expansion |
Compliance with Laws and Regulations | |
International standards | NGS Antenna Calibration, IEC 62133-2:2017+A1, IEC 62368- 1:2014, UN Manual Section 38.3 |




The company currently has three departments: surveying instrument department, building materials department and international trade department. We have a group of professionals who have been engaged in related industries for many years. We can provide you with more authoritative and convenient pre-sale consultation, sales cooperation, after-sales coordination and guidance, and provide comprehensive services.
At present, the company's main surveying instruments are: total station, GPS RTK, UAV, theodolite,plummet,auto level,laser rangefinder and surveying accessories.