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. 

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


  • 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.

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. 

  • 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

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
  • 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.