Introduction

Reach RS4 and Reach RS4 Pro are all-band GNSS receivers with IMU tilt compensation designed for centimeter-precise surveying. The all-band GNSS receiver improves positioning performance in challenging environments, such as under tree canopies and in urban areas with partial sky visibility. The receivers support RTK and PPK workflows and work with the Emlid Flow app to collect and stakeout data in the field. Reach RS4 Pro additionally features integrated cameras for visual capture and AR stakeout, helping you locate and verify survey points more easily using the Emlid Flow app.