Architecture & Geomatics

HDMS & Standard GIS, Inc.

The X900S-OPUS GNSS receiver by CHC is designed for high precision, sturdy performances and reliability for surveying needs. 

  • High Precision GNSS RTK positioning 
  • 120 Channels
  • GPS, GLONASS, Galileo and BeiDou
  • Landstar or Carlson's SurvCE Field data collection software sale to your survey need
  • Integrated Bluetooth, GPRS and radio modem
  • Innovative and rugged design for harsh environments

The X20+/X20i GPS receiver by CHC is designed for high precision, static surveys with short occupation times and affordable prices.

  • Professional L1 GPS Survey technology
  • ​372 channels multi-constellation receiver
  • Single Button Operation for static operation
  • Easy data download via high speed USB
  • iOS apps can collect reliable 0.5 meter real-time GPS position

X20+/X20i GPS


  • High Precision Static L1/L2 
  • 120 Channels
  • GPS, GLONASS, and BeiDou
  • Single Button Operation for static operation
  • Fast data download via high speed USB
  • Compact and rugged integrated design for everyday intensive use

The X91+ GNSS by CHC is design for advanced network RTK surveys. This system is in compliance with major GPS brands to allow for trouble free integration ability.

X900+ GNSS

GNSS Equipment

  • 220 Channels
  • GPS, GLONASS, Galileo and BeiDou
  • Built in GPRS modem and UHF data link
  • Seamless interoperability w/ major GPS/GNSS manufacturers
  • Compact and Rugged design for demanding field work


The i80 by CHC is the smallest receiver with dual swappable batteries. This system tracks all five constellations, ten frequencies and uses a variety of connectivity methods. 

GNSS- Global Navigaation Satellite System used to pinpoint geographic locations of a user's receiver globally.

The X900+ GNSS receiver by CHC is designed for outstanding performances and reliability. This system is dedicated to topographic and construction surveying needs. 

i80 GNSS

  • Internal Tax UHF
  • 220 Channels multi-constellation receiver
  • 128x64 psi sunlight readable LCD panel
  • 3.75G network modem
  • RTK forwarding
  • 32 GB internal memory
  • ​Built-in Bluetooth & WiFi communication