Rugged Data Controller

A-Tab

A-Tab, a new data collector of ALPHAGEO featuring the latest industrial-grade processor, designed for field measurements and mapping operations with its slim form factor and a standard English keyboard. The 5.5-inch 550nit brightness display utilizes Gorila Glass, enhancing durability while offering exceptional sunlight readability.

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Dual Operating Modes for Measurement

▸ SLAM Mode: Handheld scanner design, suitable for GNSS-denied environments such as tunnels, underground spaces, and buildings. Equipped with dual cameras for 360° panoramic scanning, generating high-fidelity true-color point clouds and supporting data acquisition in dynamic environments.

▸ RTK Mode: Used with a centering pole, achieving centimeter-level positioning accuracy in open-sky environments. Retains the precision of traditional surveying while outputting real-time point clouds, ideal for ground feature collection.

Multi-Technology Integrated Data Acquisition

▸ Integrates GNSS, high-precision vision modules, and LiDAR systems, fusing SLAM and high-accuracy RTK technologies to establish a unified coordinate system for indoor and outdoor environments.

▸ Features multi-sensor fusion (GNSS/IMU/LiDAR/vision) combined with Kalman filter-based trajectory optimization, maintaining ≤5cm positioning accuracy within 50 meters even in GNSS-challenged scenarios.

Non-Contact High-Precision Scanning

▸ Adopts active laser scanning technology with a sampling rate of 200,000 points per second. Measurement range: 0.1m-40m (10% reflectivity) and 0.1m-70m (80% reflectivity), adaptable to different surface materials.

▸ Supports real-time point cloud coordinate output and post-processing optimization. Point cloud absolute accuracy: ≤6cm (outdoor RTK environment), ≤5cm (indoor environment); point cloud thickness: ≤3cm.

Full-Scene Communication and Positioning Guarantee

▸ Multi-mode communication architecture: Supports 4G cellular networks, UHF radio, Wi-Fi, and Bluetooth 5.2, meeting needs for wide-area coverage, long-distance communication, and local fast data transmission.

▸ 1408-channel full-constellation and full-frequency-band tracking (GPS/GLONASS/Beidou, etc.), compatible with RTCM2x/RTCM3x differential data formats. Anti-jamming technology ensures stable positioning in complex environments.

Visualization and Navigation Assistance

▸Dual 48MP panoramic lenses with 190° FOV, generating HDR true-color point clouds to restore scene details. 5MP AR navigation camera provides centimeter-level real-time on-site positioning guidance.

▸ 1.3-inch industrial-grade HD display (240×240px) clearly shows key data such as scanning time, distance, storage capacity, and GNSS solution results even under direct sunlight.

Data Storage and Environmental Adaptability

▸ 256GB built-in storage (expandable up to 512GB), supporting las-format point cloud storage. Data can be directly used for engineering design without post-processing.

▸ Magnesium alloy body with IP67 dustproof and waterproof rating. Operating temperature: -20℃~+50℃; storage temperature: -40℃~+80℃, suitable for harsh field environments.

Efficient Battery Life and Easy Operation

▸ 14.4V lithium battery (47.52Wh): 180 minutes of battery life in SLAM mode, approximately 8 hours in RTK mode (with mobile network), and 2-hour fast charging.

▸ Lightweight design (only 1.8kg) with tilt compensation (0~120°), maintaining ≤2.5cm accuracy in tilted states

DUAL

OPERATING MODES

RTK

Mode

SLAM

Mode

Point Cloud absolute accuracy

≤6 cm

Outdoor

≤5 cm

Indoor

Ultra-High
Sampling Efficiency

200,000

Points/Second

Wide Measuring Range

10%

In Reflectivity Scene
Measuring Range Coverage

0.1m-40 m

80%

In Reflectivity Scene
Measuring Range Extended to

0.1m- 70m

Full Constellation & Full Frequency Band

1408

Channels

A Multi-mode Communication Architecture

• 4G

Networks

• UHF

Radio

• Wi-Fi
• Bluetooth

HDR True-Color

Point Clouds Meet AR Navigation

Panoramic Lens

360°

All-Round Imaging

Visual Layout Camera

Multi-Dimensional Data at a Glance

1.3

Inch

Industrial-Grade HD Display

240x240

Resolution

Software

Alpha Studio

APP

SurPro6.0

Product Showcase

Front

Specifications

System

Operating system	Android 14 (GMS supports)
Online update	FOTA update
CPU	MediaTek MT6769 Ota-core 2.0 GHz
RAM	6GB
Flash memory	128GB eMM
Extendable memor	MicroSDHC up to 512GB

Software Information

Operation platform

Android

Function

Topography survey, Point/Line stake out,

COGO, CAD, Localization and site
calibration, Offset, Area, Parameter
calculation, Line Extend, etc.

Data Format

CSV, DXF, Text, shapefile, Json, etc.

Physical

Dimensions (LxWxH)	226.3mmx90.6mmx16.9mm Weight
Weight	436g with battery
Operating temperature	-25℃~+65℃
Storage temperature	-40℃~+70℃
Waterproof/Dustproof	IP68
Shock and vibration	1.5m (4 ft) fall onto concrete
Humidity	5% ~ 95% non-condensing
Display	5.5-inch, 1920x1080 pixels HD, 550nit brightness
Touch screen	Capacitive multi-touch, supports stylus and gloves mode, wet touch mode
Keypad	QWERT key
Camera	13 MP with auto-focus and flash

Sensors

GNSS	GNSS (BDS, GPS, GLONASS), A-GPS supports
G-Sensor	Supports
Gyroscope	Supports
E-Compass	Supports
Accelerometer	Supports
Light sensor	Supports
Microphone	Supports

Electrical

Battery	Magnesium alloy
Battery life	>22 hrs
Charging time	<14 hrs (typical)

Standard accessories

A/C charger	Yes
USB cable	Yes
Stylus	Yes
Handstrap	<Yes

Communications

	GSM: 850/900/1800/1900 WCDMA: B1/B2/B4/B5/B8
Cellular network	LTE-TDD: B34/B38/B39/B40/B41 LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12 B13/B17/B20/B25/B26/B28/B66
SIM card type	802.11a/b/g/n/ac (Dual Band 2.4 & 5GHz)
Bluetooth	BT5.0
USB	Type-C USB 2.0
NFC	Supports

Certifications

CE	Yes
FCC	Yes
BMSDS	Yes

Specifications

⦁ Gnss Performance

Signal tracking:
• GPS: L1 C/A, L2C, L2P, L5
• GLONASS: L1, L2, L3*
• BDS: B1, B1C, B2, B2a, B2b, B3
• GALILEO: E1, E5a, E5b, E6*
• QZSS: L1, L2, L5, L6*
• IRNSS: L5*
• SBAS: L1, L5

L-Band: B2b（BDSPPP），E6B（HAS）
Channels: 1408
Cold start: <60s
Hot start: <15s
Positioning output rate: 1Hz~50Hz
Signal reacquisition: <1s
RTK initialization time: <5s
Initialization reliability: >99.99%
Time accuracy: 20ns

⦁ SLAM Performance

Laser channels: 40
Scanning range: 0.1 m ~ 40 m @10% reflectivity, 0.1 m ~ 70 m @ 80% reflectivity
Measurement rate: 200,000 points/s
Scanning speed: 10Hz
Laser FOV: 360°*-7°~52°
Laser safety class: CLASS 1
Laser wavelength: 905 nm
Processing mode: Real-time & post-processing
Point cloud format: .las
Real-time color point cloud: No
Processing color point cloud: Yes
RTK fusion processing: Yes

⦁ Communications

I/O interface：
1* LEMO5
1* TF card slot
1* NanoSIM card slot
1* Type-C interface
1* SMA UHF antenna interface
1* 1.3-inch color LED with resolution 240*240

Internal UHF: Internal 1.5W UHF
Frequency band: 410MHz ~ 470MHz
Protocols: Trimtalk450S, Alphatalk15, South, Satel, PCC-EOT
Cellular network:

• Full frequency multi-band 4G modem, supports

• TDD-LTE/FDD-LTE/WCDMA/CDMA2000

WiFi: 802.11a/b/g/n/ac
Bluetooth: Bluetooth 5.2
Differential data format: RTCM2x, RTCM3x

⦁ GNSS Accuracy[1]

Code differential GNSS positioning: H: 0.25 m + 1 ppm RMS V: 0.50m + 1 ppm RMS
SBAS differential positioning accuracy2: Typically < 5 m (3DRMS)
Static GNSS surveying: H: 2.5 mm + 0.5 ppm RMS V: 5 mm + 0.5 ppm RMS
RTK surveying(baseline<30km): H: 8 mm + 1 ppm RMS V: 15 mm + 1 ppm RMS
Network RTK3: H: 8 mm + 0.5 ppm RMS V: 15 mm + 0.5 ppm RMS

⦁ SLAM Accuracy

Absolute accuracy (Indoor)[2]: ≤ 5 cm
Absolute accuracy (RTK)[3]: ≤ 6 cm
Point cloud thickness: ≤ 3 cm
Relative accuracy: < 1.2 cm
Horizontal angle resolution: ≤ 0.05 °

⦁ Physical

Materials: Magnesium alloy
Dimensions (with battery&plate): 138 mm (Ф) * 301 mm (H)
Weight: 1.8 kg
Operating temperature: -20°C ~ +50°C
Storage temperature: -40°C ~ +80°C
Waterproof/Dustproof: IP67

⦁ Data storage

Memory: 256GB, extendable up to 512GB

⦁ Tilt Performance

IMU: 4D IMU initialization in 3 seconds
Update rate: 400Hz
Accuracy: <2.5 cm within 120°
Tilt compensation: 0~120°

⦁ Camera

Cameras: 3
Camera resolution: 2*48MP
FOV: 190°*190°
AR camera: 5 MP

⦁ Electrical

Battery: 14.4V, 47.52Wh Li-ion battery
Battery life: 180 min SLAM mode, typically 8 hours RTK mode (Phone internet)
Battery charging: 2 hours
Power consumption (SLAM): < 25W
Power consumption (RTK): 2.5W

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