GNSS

eBase20

eBase20 is a portable, high-precision GNSS base receiver with a 4G modem and internal radio, making it the perfect choice for a variety of applications including surveying, mapping, agriculture, and intelligent driving.

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Multiple constellations and frequencies

The device supports tracking of various GNSS signals, ensuring stable and reliable accuracy. It can track signals from GPS, BDS, GLONASS, GALILEO, QZSS, and SBAS.

UHF and 4G connectivity

Equipped with a built-in 4G modem and radio module, eBase20 can function effectively as a base station, transmitting GNSS corrections.

Excellent performance

With its high-precision GNSS module, eBase20 delivers outstanding performance as a base station at an affordable price. Its portable design and simple setup process enhance work efficiency.

Instant alarm for base station movement

eBase20 provides real-time alerts in case the base station is moved, preventing the collection of erroneous data. It also features a buzzer alarm for low battery and receiver inactivity.

Smart base station service

By connecting to CORS (Continuously Operating Reference Stations), the smart base station service allows for an accurate position determination as a known point.

Web-based user interface

Users can access position status, download data, and update firmware through the device’s web-based UI using a smartphone, tablet, or PC.

Tech specs

Specifications

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GNSS Performance

Satellites tracking

GPS: L1C/A, L2P, L5
BDS: B1I, B2I, B3I, B1C, B2a
GLONASS: L1, L2
GALILEO: E1, E5a, E5b
QZSS: L1, L2, L5
SBAS: WAAS, GAGAN, MSAS, EGNOS, SDCM, BDS

Channels: 1408

Cold start: < 30 seconds

Signal initialization: < 5 seconds

Initialization reliability: > 99.9%

Update rate: 20 Hz

High precision static: H: 2.5 mm + 0.5 ppm RMS V: 5 mm + 0.5 ppm RMS

Data output: GGA, ZDA, GSA, GSV, GST, VTG, RMC, GLL, Binary

Power Supply

Battery: Rechargeable, Built-in Lithium-ion battery x 1, 3.6V ~ 10500 mAh
Voltage: 9 – 28V dc
Working time: Up to 7 hours as a base w/ UHF transmitting
Charging time: Typically 6 hours

Internal Radio

Type: TX
Emitting Power: 2W, optional 1W
Operation Range: 3-5 km typically
Frequency Range: 410 – 470 MHz
Channel Spacing: 6.25 kHz / 12.5 kHz / 25 kHz
Protocol: TRIMTALK, TRIMMK3, SOUTH, TRANSEOT(PCC-GMSK), GEOTALK, GEOMK3, SATEL, HITARGET, HZSZ

Internet Modem

Supported Band: Global 4G
– LTE FDD: B1, B2, B3, B4, B5, B7, B8, B12, B13,
B18, B19, B20, B25, B26, B28
– LTE TDD: B38, B39, B40, B41
– UMTS: B1, B2, B4, B5, B6, B8, B19
– GSM: B2, B3, B5, B8

System

Operation system: Linux
Internal memory: 8 GB
Bluetooth: BT5.0+EDR, BLE
Wi-Fi: 802.11 a/b/g/n/ac
SIM card: supports
TNC: Connect internal radio with antenna
5-pin port: Connect to external radio and external power; NMEA output
Type-C port: Charge and data transmission
Web UI: View status, update firmware, set up working mode, download data, etc.
Intelligent voice: Alarm buzzer
Leveling sensor: e-bubble

Physical

Dimension: Φ152 mm x H92 mm
Weight: 850 g
Operating temperature: -30℃ – +65℃
Storage temperature: -40℃ – +80℃
Water-/Dust proof: IP67
Shock: Withstand topple over from a 2 m survey pole onto hard surfaces; Survive a 1.2 m free drop
Vibration: Vibration resistant
Humidity: Up to 99%
Indicators: Satellites, datalink, battery, Bluetooth
Button: Power button