eSA2 GNSS Receiver

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.

Product	eSA2
GNSS Performance
Channels	1408
Satellites tracking	·GPS: L1C/A, L2P(Y), L2C, L5 ·GLONASS: L1, L2 ·GALILEO: E1, E5a, E5b, E6 ·BDS: B1I, B2I, B3I, B1C, B2a, B2b ·QZSS: L1, L2, L5, L6 ·SBAS： Support
Position accuracy	RTK: 0.01 m + 1 ppm CEP Single: 1.5m
Initialization time	≤5 seconds (Typical)
Cold start	≤30 seconds
Hot start	≤3 seconds
Speed accuracy	≤0.03 m/s
Electrical
Battery	Built-in, Non-replaceable, Lithium Polymer Battery 7.4 V / 1800 mAh
Working time	≥10 hours
Input voltage	5V dc / 2A
Data Interface
Bluetooth	Yes
Type-C port	1 Type-C port
User Interface
Button	Power button x1
Indicator	Power indicator x1 Bluetooth indicator x1 Differential data indicator x1 Satellite indicator x1
Physical
Dimension	118 mm x 52 mm x 36 mm
Weight	≤210 g
Environment
Operating temperature	-20℃ – +75℃
Storage temperature	-40℃ – +85℃
Water/dust-proof	IP67
Shock resistance	1.6 m free drop
Humidity	95% No condensation