Products
- Concrete
  - Flex NX
    - Flex NX
      Flex NX®, powered by Nexus™ is the industry’s most powerful and complete concrete scanning system. Use Flex NX™ on its own, or pair an NX wireless satellite antenna to be ready for any jobsite challenge.
  - Flex LT
    - Flex LT
      Flex LT, powered by Nexus, is GSSI’s newest handheld concrete scanning system. This system is a perfect solution for contractors who need to locate and mark targets with speed and precision, without sacrificing quality or budget.
  - NX25
    - NX25
      Scan hard to reach areas, walls and ceilings with the NX25 antenna. This antenna is lightweight, compact and perfect for you to scan, mark and go.
  - NX15
    - NX15
      The NX15 antenna is perfect for any situation where you need a combination of resolution and depth.
  - Flex Product Selector
- Utility
  - UtilityScan Pro
    - UtilityScan Pro
      The UtilityScan Pro is a versatile utility locating system based on the SIR 4000, and offers several options for customization.
  - UtilityScan
    - UtilityScan
      UtilityScan is an indispensable tool for utility locating professionals around the world to easily and accurately map utilities in real-time.
  - UtilityScan DF
    - UtilityScan DF
      The UtilityScan DF incorporates our innovative dual-frequency digital antenna (300/800 MHz) and a touchscreen interface to view shallow and deep targets simultaneously in a single scan.
- Transportation
  - RoadScan
    - RoadScan
      The RoadScan™ 30 system is based on the SIR 30 and provides users with an effective tool for quickly determining pavement layers at high speeds.
  - PaveScan RS
    - PaveScan RS
      Achieve optimal asphalt density with PaveScan RS.
  - PaveScan® MDM
    - PaveScan® MDM
      PaveScan Mix Design Module (MDM) is a powerful new tool for QA/QC labs.
  - PaveScan RDM® 2.0
    - PaveScan RDM® 2.0
      The PaveScan RDM uses the dielectric measurements of new pavement to determine pavement quality and uniformity.
  - BridgeScan
    - BridgeScan
      The BridgeScan™ is a complete, affordable GPR system that is an effective tool for quickly determining the condition of aging bridge decks.
- GS Series
  - 200 HS Antenna
    The 200 HS digital, wireless antenna is ideal for geophysical, geotechnical, and environmental applications that require high reliability under challenging survey conditions.
- SIR Systems
  - SIR 4000
    - SIR 4000
      The SIR® 4000 is GSSI’s first high-performance GPR data acquisition system designed to operate with analog and digital antennas.
  - SIR 30
    - SIR 30
      The SIR® 30 is the next-generation multi-channel GPR control unit. This system can collect up to eight channels of data simultaneously with uncompromised performance.
- Antennas
- Software
  - GSSI Fusion
    - GSSI Fusion
      GSSI Fusion is an easy-to-use reporting tool for professional results from the field.
  - RADAN
    - RADAN
      RADAN® is GSSI's state-of-the-art post-processing software. With its modular design, this program allows users to select the processing functions that best suit their professional needs.
  - Geolitix
    - Geolitix
      Geolitix was designed to simplify and automate nearly every step involved in GPR project workflows.
- Accessories
- Legacy Products
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Not sure which product is right for you? Let us help you decide »

Solutions
- Concrete Inspection
  - Concrete Inspection
    Cutting and coring experts and construction professionals require a reliable, non-destructive solution to assess concrete and concrete structures.
- Utility locating
  - Utility locating
    Utility locators, construction professionals, environmental firms and land surveyors need to know about underground assets prior to digging and trenching efforts.
- Transportation
  - Transportation
    Highway professionals, contractors and engineers use GPR to measure asphalt thickness, compaction, and structural integrity with GPR with accurate real-time data.
- Environmental
  - Environmental
    The key to a comprehensive environmental assessment is the subsurface investigation.
- Geology & Geophysics
  - Geology & Geophysics
    Ground penetrating radar (GPR) offers an accurate, non-destructive solution to mapping the subsurface of the earth.
- Archaeology & Forensics
  - Archaeology & Forensics
    Archaeologists and remote sensing specialists around the world rely on GSSI ground penetrating radar as a key tool for non-invasive site investigation.
- Photo Gallery
- View All

You Are Invited to Our Free Product & Technology Showcase

We are hosting a special event at our Nashua, NH Headquarters to Showcase our industry-leading, innovative GPR concrete scanning systems.

HEY NEW ENGLAND!

We are so excited to welcome you to our free product and technology showcase taking place at GSSI Headquarters in Nashua, NH on October 23, 2025!

Get a behind-the-scenes look at GSSI with guided company tours, explore our state-of-the-art block room that’s used for hands-on training, and gain valuable insights from industry experts.

Why Attend

This event is ideal for construction and concrete industry professionals who are interested in learning how scanning can improve the safety and efficiency of their work. Learn how concrete construction professionals all over the world are embracing technology and expanding their businesses, while making the jobs safer for workers and avoiding damage.

Have you ever hit a rebar, cable, or tendon? Have you ever had to replace a bit or a blade because it got damaged from hitting too many metal objects? Have you ever had to waste time and money drilling multiple holes looking for a clear area? Have you ever wished you could see what is inside the concrete before you drilled? If the answer to any of these questions is yes, then this event is for you.

Experts from GSSI will be present to give you an in-depth look at the newest technology for concrete scanning
Discover how these products are the answer to all your survey needs
Hands-On demonstrations
Question and Answer Session to answer all your questions on how these technologies can help your business

Location and Date:

Nashua, NH – Thursday, October 23, 2025

Time:

9:00 am to 1:00 pm