Full Constellations and Multi-frequency

The eSA2 supports BDS/GPS/GLONASS/Galileo/QZSS constellations, comprehensive GNSS signal tracking, 1408 channels, fully supports BDS-3.

Built-in Bluetooth Feature

With a built-in Bluetooth feature, the eSA2 can be easily connected to devices with Android operating systems. No need for expensive and heavy data collectors anymore.

Ideal for Multiple Applications

The eSA2 is competent for various survey & lofting tasks, for example, road construction, power line survey, site leveling control, CAD application, etc.

All-in-view RTK Positioning

Embedded with a high-precision GNSS module, the eSA2 supports centimeter-level CORS differential data positioning.

Rugged, Compact and Portable Design

Protected by a metal shell, the eSA2 is designed to work in the toughest environments. It presents great heat dispersion and weighs 210g, which is ideal for mobile surveys. Carry the eSA2 in an armband bag, or a shirt pocket, or attach it to a pole using an additional pouch- enjoy flexible wearable modes to make your job even easier.