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AT-B2

RTK Base Station with Built-in high-power UHF radio

Built-in high-precision centimeter-level GNSS positioning module, it can achieve 2.5cm accuracy, widely used in precision agriculture, excavators, autonomous driving and other application fields.

  • Number AT-B2
Feature Specification Accessories
RTK Base Station with Built-in high-power UHF radio

AT-B2 is a professional base station with built-in high-precision centimeter-level GNSS positioning module, it can achieve 2.5cm accuracy, large-capacity battery and durable shell to ensure long-term use in outdoor environments. The carefully designed compact appearance makes it easy to carry. It is easy to operate and can quickly output high-precision differential data, which can be widely used in precision agriculture, excavators ,unmanned driving and other application fields.

Correction

Correction

Adopt RTCM data format output. Reliable UHF data communication, compatible with a variety of UHF communication protocols, SOUTH (9600bps), TRIMATLK (9600bps), TRANSEOT (9600bps), TRIMMARK3 (19200bps), can be adapted to most of the radio mobile stations on the market.
GNSS

High Precision

Provide reliable and effective calibration data for achieving centimeter-level positioning accuracy.
IPuv

Reliability

With IP66&IP67 rating and UV protection, ensure high performance, accuracy and durability even in complicated and harsh environments.
20h2

All-day Usage

Built-in 72Wh large-capacity Li-battery, supporting more than 20 hours of working time (typical), which is very suitable for long-term use.
BUTTOM1

User-friendliness

Battery level can be easily checked through the power indicator status by pressing the power button.
5-km

Wide-range Operation

Built-in high-power UHF radio, broadcasting distance over 5 kilometers, eliminating the need to move base stations frequently.

Specification

SATELLITES TRACKING

Constellations

GPS: L1C/A, L2P (Y), L2C, L5

BDS: B1I, B2I, B3

GLONASS: G1, G2

Galileo: E1, E5a, E5b

QZSS: L1, L2, L5

Channels

1408

ACCURACY 

Standalone Position (RMS)

Horizontally: 1.5m

Vertically: 2.5m

DGPS (RMS)

Horizontally: 0.4m+1ppm

Vertically: 0.8m+1ppm

RTK (RMS)

Horizontally: 2.5cm+1ppm

Vertically: 3cm+1ppm

Initialization reliability >99.9%

TIME TO FIRST FIX 

Cold Start

＜30s

Hot Start

＜4s

DATA FORMAT

Data Update Rate

1Hz

Correction Data Format

RTCM 3.3/3.2/3.1/3.0, Default RTCM 3.2

UHF CORRECTIONS TRANSMIT

Transmission Power

High 30.2 ±1.0dBm

Low 27.0 ±1.2dBm

Frequency

410-470MHz

UHF Protocol

SOUTH (9600bps)

TRIMATLK (9600bps)

TRANSEOT (9600bps)

TRIMMARK3 (19200bps)

Air Communication Rate

9600bps, 19200bps

Distance

3-5km (Typical)

COMMUNICATION

BT (For setting)

BT (For setting)

IO Ports

RS232 (Reserved for External Radio Stations)

USER INTERACTION

Indicator Light

Power Light, BT Light, RTK Light, Satellite Light

Button

On/Off button (Press the button to check the battery capacity

by the status of the power indicator.)

POWER

PWR-IN

8-36V DC

Built in Battery

Built-in 10000mAh Li-ion battery; 72Wh; 7.2V

Duration

Approx. 20h (Typical)

Power consumption

2.3W (Typical）

CONNECTOR

M12

×1 for Power in

TNC

×1 for UHF Radio; 3-5KM (Typical Non-blocking Scenario)

Interface for Installation

5/8“-11 Pole Mount Adapter

PHYSICAL DIMENSIONS

Dimension

166.6*166.6*107.1mm

Weight

1241g

ENVIRONMENTAL

Protection Rating

IP66&IP67

Shock and Vibration

MIL-STD-810G

Operating Temperature

-31 °F ~ 167 °F (-30°C ~ +70°C)

Storage Temperature

-40 °F ~ 176 °F (-40°C ~ +80°C)

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