T-18
Mobility, Redefined
Rugged, powerful, connected and compact, with a bright display even in daylight.
Rugged, powerful, connected and compact, with a bright display even in daylight.

Navigate project environments as
they evolve
Field curve balls like a pro with MAGNET Field data collection or our Pocket 3D grade management platform, driven by the T-18 controller. The durable, ergonomic design is easy to hold, with a lithium Ion battery for all day use. Add an optional internal cellular modem and you'll have the lightest network rover solution available, with constant connection to the office for direct file sharing.
- IP65 waterproof approved
- Sunlight-readable 3.7” (94mm) display
- 5 MP digital camera, autofocus
- Integrated cellular modem
- Internal GPS for 2 to 5m accuracy
Put a powerhouse in your palm
Zip through mapping and construction jobs with wireless connection to any modern Topcon GNSS or optical device. Whether you're driving a mobile base and rover RTK system or a lightweight network rover configuration, the T-18 is flexible enough to help you adapt. And with extended battery life of over 10 hours and a high resolution internal camera, you'll succeed wherever, whenever.
Compare to Similar Products:
T-18 Specifications
Bluetooth®
USB Type B
Global four frequency
Get support where & when you need it-
for all your Topcon products.
Online Support
A simple, free login entitles you to the following benefits:
- Downloadable product manuals
- Video tutorials and quick guides
- Comprehensive training and documentation
- Dealer assistance with any tech issues
Extend Your Benefits
Register your product now to receive additional support including:
- Automatic firmware updates
- One free Support case per registration
- Access to Topcon Professional Support
We've got you covered
Need more info?
We can email you additional product information. Your contact information will never be shared.
See it in action
Your local dealer can't wait to show you what we can do for your business.
Toomebridge, Northern Ireland, United Kingdom
https://www.topconpositioning.com/#dealerModal
©2025, Topcon Positioning Systems, Inc.