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Ashtech ProMark 120 Receiver with L1 GPS 990664-01

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  • High-precision measurement

  • On-board ProMark Field Software

  • Fast RTK fix

  • 1 cm accuracy

  • GPS

  • 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

The Ashtech ProMark 120 Receiver from Spectra is a versatile GPS receiver not only designed for easy and efficient land survey applications but also for RTK and GIS applications. As an upgrade to the ProMark 100, this base model survey GPS contains an external L1GPS antenna, on-board field software, Windows programs and upgradeable options such as NTRIP/DIP and RTK, allowing survey professionals to quickly map locations with 0.4 inch accuracy.

Spectra Z-Blade Technology

The Z-Blade technology on the ProMark 120 utilizes both the GPS (US) and GLONASS (Russian) frequency satellites to obtain a GNSS position in survey sites with obstructed views or canopies. This Spectra-exclusive technology increases accuracy and allows the device to get a real time kinematic (RTK) fix even if no GPS satellites are available.  

Advanced Accuracy and Range

When utilizing the included L1 GPS antenna, the ProMark 120 can obtain an RTK fix in as fast as 15 seconds with a range of up to 4.35 miles and post-processed accuracy of 0.2 inches to measure wide areas and triangulate horizontal and vertical positions in real time.

Ashtech ProMark Field Software

The ProMark 120 comes with ProMark Field software 3.0 for processing and analyzing GNSS survey data. This intuitive, yet simple software provides all the necessary tools for post-processing (PP) survey data as well as simple real time kinematics (RTK) jobs, including raw data recording, rover and base configurations and more.

Windows Mobile 6.5 OS

Equipped with the latest Windows Mobile 6.5 operating system, the ProMark 120 survey GPS supports 10 different languages. The OS also comes with familiar software packages such as ActiveSync, GNSS Toolbox and Internet Explorer. In addition to wireless GPRS and Bluetooth connectivity, this GPS surveying device has a memory of 256 MB and can be expanded up to 2GB using flash drive or SD card.

Durable Functionality

The rugged and lightweight Ashtech ProMark 120 is dustproof and water resistant with an IP 65 rating. This device has a built-in 3 megapixel camera and an E-Compass as well as microphone and speaker. It also features a simple alphanumeric touchscreen keyboard with 4-way navigation keys and a high resolution display that is readable even under direct sunlight.

The versatility, ease of use and RTK accuracy of the Ashtech ProMark 120 receiver with L1 GPS makes it an ideal solution for both novice and experienced land surveyors.

Features for the Ashtech ProMark 120 Receiver with L1 GPS

  • High-precision measurement with the latest Z-Blade technology
  • User-friendly and Intuitive ProMark Field Software
  • RTK and NTRIP and Direct IP Options
  • Fast RTK fix
  • Extended productivity on very demanding or obstructed environments
  • Windows Embedded 6.5 operating system 
  • Built-in wireless communication support
  • Extended memory and battery capacity 
  • Lightweight and rugged handheld design
  • Water resistant with IP 65
  • 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

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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