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Ashtech ProMark 120 Receiver with L1 GPS/GLONASS 990664-03

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  • High-precision measurement

  • On-board ProMark Field Software

  • Fast RTK fix

  • 1 cm accuracy


  • Windows Embedded 6.5 operating system 

  • Built-in wireless communication support

  • Extended memory and battery

Availability: In stock


Overview for the Ashtech ProMark 120 Receiver with L1 GPS/GLONASS

The Ashtech ProMark 120 Receiver from Spectra provides surveyors with an expanded set of GNSS capabilities and enhancements from its previous model (ProMark 100). Used for accurately mapping out survey sites, the handheld receiver comes equipped with a GPS and GLONASS single-frequency antenna for fast land surveying results. 

Upgradable Options

This Windows-embedded Ashtech GPS receiver can be easily upgraded to include RTK and NTRIP/DIP options, as well as GLONASS option that enable better RTK performance on your ProMark 120. These options also allow the device to be used in post-processing and GIS applications for complete versatility.

Z-Blade Technology

Surveying in crowded locations and around obstructions can be tough. With the embedded AshTech Z-Blade technology on the ProMark 120, both GPS and GLONASS satellites are fully utilized to obtain a much more reliable GNSS position than standard GPS receivers.

Ashtech ProMark Field Software

The Ashtech ProMark 120 comes equipped with ProMark Field software 3.0 from Spectra that provides versatile solutions ideal for processing and analyzing GNSS survey data. This software features a custom touchscreen keyboard and many other improvements that enhance its user-friendliness.

Windows Mobile 6.5

Utilizing Windows Mobile 6.5, this latest Spectra Precision software allows you to work in both dynamic and static data at the same time. It also comes with a built-in wireless communication and permits you to choose from 10 available languages.

Surveying and RTK Capabilities

The ProMark 120 can be upgraded to provide you with all the necessary tools for efficient post-processing as well as the common RTK jobs which include rover and base configurations, data recording and more. It can accurately generate reports and present them in the office while correcting any errors in the field. 

Designed for Extreme Environments

In addition to being lightweight, rugged and waterproof, the ProMark 120 is designed to maintain full operation in snow and rain with its extended battery and memory. It is also designed to fit firmly in your palm and features a simple alphanumeric touchscreen keyboard with 4-way navigation keys.

Because of the versatility and outstanding post-processing solutions that the Ashtech ProMark 120 offers, it is no wonder that this simple yet powerful tool has become one of the most attractive solutions for any surveyor.

Features for the Ashtech ProMark 120 Receiver with L1 GPS/GLONASS

  • High-precision measurement with Ashtech Z-Blade Technology
  • User-friendly and Intuitive ProMark Field Software
  • Fast RTK fix
  • Extended productivity on very demanding or obstructed environments
  • RTK, GLONASS, and GIS Options
  • Windows Embedded 6.5 operating system for familiar interface
  • Built-in wireless communication support
  • Extended memory and battery capacity for all day operation
  • Lightweight and rugged handheld design
  • Water resistant with IP65
  • Alphanumeric touchscreen keyboard
  • 4 - way navigation
  • Up to 99.9% reliability rate
  • 10 languages available
  • High resolution sunlight readable display
  • 3M pixels camera
  • E- Compass and G-sensor
  • Microphone and speaker

Specifications for the Ashtech ProMark 120 Receiver with L1 GPS/GLONASS

Weight 1.43 lb (0.62 kg)
Warranty 1 year
Dimensions 7.5 in x 3.5 in x 1.7 in (190 mm x 90 mm x 43 mm)
Type Alphanumeric Virtual Keyboard
Touchscreen yes
Size 3.5 in
Keys 4-way navigation
Resolution 240 x 320 pixels
On-Board ProMark Field Software
Upgradeable yes
Operating -4ºF~140ºF (-20ºC~60ºC)
Storage -13ºF~158ºF (-25ºC~70ºC)
Battery Life 8 hrs
Power Source 6600 mAh Li-Ion
Charging Time 3 hours
Tracking Features
Satallites GPS / GLONASS / SBAS
Frequency Single (L1)
Channels 45
Antenna Internal / External
Time to First Fix 15 sec
Range 4.35 mi (7 km)
Mapping yes
Control Surveying yes
Topographic Survey yes
Cadastral Survey yes
Static Survey yes
Kinematic Survey yes
RTK H: 0.39 in + 1 ppm V: 0.79 in + 1 ppm (H: 10 mm + 1 ppm V: 20 mm + 1 ppm)
Static H: 0.2 in + 0.5 ppm V: 0.39 in + 0.5 ppm (H: 5 mm + 0.5 ppm V: 10mm + 0.5 ppm)
Post Processing H: 0.39 in + 1 ppm V: 0.79 in + 1 ppm (H: 10 mm + 1 ppm V: 20 mm + 1 ppm)
DGPS <11.81 in + 1 ppm (<30 cm + 1 ppm)
SBAS <19.68 in (<50 cm)
On-Board SDRAM 256MB
Expandable yes, up to 2GB
Raw Data Recording yes
Rover Configuration yes
Base Configuration yes
Post Processing yes
Stake Out yes
Network Connection Setting yes
Operating System
Type Microsoft Windows Embedded Handheld 6.5
Processor Marvell PXA 320
Communication Interface
Bluetooth yes
Cellular GPRS, EDGE, Quad-band
Wireless LAN 802.11b/g (SDIO slot)
Internal UHF Radio type
USB yes, through docking station
RS232 (9-pin serial adapter) yes
Operating System Programs
GNSS Toolbox yes
E-mail Client yes
Internet Explorer yes
Microsoft Office Mobile yes
Transcriber yes
ActiveSync yes
Advanced Features
Camera yes
Microphone yes
Speaker yes
Weather Protection IP 65 (dustproof and water resistant to any angle)
Shock Protection ETS300 019 / MIL-STD-810
E-Compass yes

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