Unistrong eBase 20 Portable GNSS Base Receiver

The Unistrong eBase 20 is a portable GNSS base receiver designed to provide correction data for RTK surveying and other high-precision positioning applications. It combines 1408-channel GNSS tracking with an integrated UHF radio and 4G connectivity, allowing it to operate as a flexible base station in field environments. The receiver also provides base displacement alerts to help reduce the risk of collecting incorrect survey data. RTKSurvey.com supplies the eBase 20 for surveying, mapping and positioning projects.

Key Features

• 1408-channel multi-constellation and multi-frequency GNSS tracking
• Integrated UHF transmitter and receiver
• Internal radio operating range of approximately 3–5 km
• 4G connectivity for network-based correction transmission
• 20 Hz positioning update rate
• Base displacement warning for safer field operation
• Smart base station functions for CORS-connected workflows
• Compact 900 g design

Core Specifications

GNSS Channels: 1408
Update Rate: 20 Hz
Static Accuracy: H 2.5 mm + 0.5 ppm, V 5 mm + 0.5 ppm
RTK Accuracy: H 8 mm + 1 ppm, V 15 mm + 1 ppm
Internal Radio: TX/RX
Radio Frequency: 410–470 MHz
Internal Radio Range: Approx. 3–5 km
Internal Memory: 8 GB
Connectivity: 4G, Wi-Fi, Bluetooth 5.0
Weight: Approx. 900 g
Operating Temperature: -30°C to +65°C

Applications

• RTK base station operation
• Land surveying
• Construction surveying
• UAV and mapping support
• Agricultural positioning
• Machine and vehicle positioning
• CORS and network-assisted base workflows

Related Products

• Unistrong E100 Network RTK Receiver
• Unistrong G970II Pro GNSS RTK GPS Receiver
• Unistrong G990II E-Survey E800 GNSS RTK Receiver
• Unistrong G20 GPS RTK Receiver