SGR-1
![](https://mytopcon.topconpositioning.com/sites/default/files/styles/product_image/public/totalcare_product_featured_images/sgr-1_image.jpg?itok=-3xWsJPP)
- Dual-constellation (GPS + GLONASS) satellite reception for high accuracy, low down time
- Fast, 32-channel Universal Tracking
- Outputs ground speed as simulated radar for slow speed operations
- Features Topcon's TruPass™ advanced positioning technology