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International Selling China Brand CHC X91 gnss rtk system

The CHC X91 GNSS is a compact GNSS receiver designed for high accuracy and productivity - even in harsh environments. Powered by 220 channels GNSS core engine, the X91 GNSS provides a costeffective solution to any surveying project.
Easy-to-use, efficient and intuitive work flow, designed for advanced network RTK survey, compact and rugged, the X91 is the perfect choice for demanding survey applications.

Fully Integrated
Built-in GNSS engine, antenna, UHF and GSM/GPRS modules, Bluetooth® communication in one single unit to make your everyday work simple.

Compact and lightweight
The size of 180 mm x 80 mm (3.1 x 7.1 in) makes the X91 only weights 1.35 kg (48 oz) with battery.
Optimized for Network RTK Connection to GPS or GPS+GLONASS RTK Networks is made easy
and benefits from the unique X91 auto-connect feature.

Compatibility
The X91 RTCM compliance with major GPS brands allow a trouble-free integration into an existing pool of survey instrument.

Competitive and Reliable
By combining decades of positioning and surveying know-how, the X91 GNSS is one of the most powerful GNSS RTK solutions, with no compromise with quality but at an affordable price for every  surveyor.
 

GNSS characteristics(1)
· 220 channels with simultaneously tracked satellite signals
   - GPS: L1C/A, L2E, L5
   - GLONASS: L1C/A,L1P, L2C/A, L2P
   - SBAS:WAAS, EGNOS, MSAS
   - Galileo: GIOVE-A and GIOVE-B (test)
· Advanced multipath mitigation technology
· Low noise carrier phase measurement

Performance specifications
· Real Time Kinematics (RTK)
   - Horizontal: 10 mm + 1 ppm RMS
   - Vertical: 20 mm + 1 ppm RMS
   - Initialization time: typically < 10 s
   - Initialization reliability: > 99.9%
· Post Processing Static
   - Horizontal: 2.5mm + 1ppm RMS
   - Vertical: 5mm + 1ppm RMS
   - Baseline Length: ≤ 300 km

Communications
   · 1x RS232 serial port
   · 1x high speed USB
   · Integrated GSM/GPRS modem
   · Integrated Bluetooth® class 2
· Optional radio modem:
    - Internal Rx: 410-430 / 430-450 / 450-470 MHz
    - External Tx DL5: 1W - 20W adjustable (3)
· Protocols:
    - RTCM2.1, RTCM2.3, RTCM3.0, CMR, CMR+ and
output
    - NMEA0183 output
    - RINEX and HCN outputs for GNSS raw data

Physical
  · Size (HxD): 80 x 180 mm (3.1 x 7.1 in)
  · Weight: 1.35 kg with battery (48 oz)
  · Operating temperature: -30 °C to +65 °C (-22°F to 149°F)
  · Storage temperature: -40 °C to +75°C (-40°F to 167°F)
  · Humidity: 100% condensation
  · Waterproof and dust proof: IP67 - protected from temporary  immersion to depth of 1 meter, floats
  · Shock: survives a 2-meters drop on to concrete

Electrical
  · Power consumption: 2.6 W
  · Li-ion battery capacity: 2200 mAh
  · Battery life: typical 5 hours in RTK mode
  · External power : 9-18 VDC

Software (optional)
  · CHC's Landstar field data collection software
  · Carlson's SurvCE field data collection software