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High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution

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Model:
AK713RM
Chip:
 UM980
Working frequency band: BDS/GPS/GLONASS/GALILEO/QZSS
Baud rate: 115200bps (default)
Update frequency: 1Hz-20Hz (default 1Hz)

Cold start: <10s
Speed accuracy: 0.03m/s
Working voltage: 3~5.5V DC
Power consumption: 800mW
Size: Standard version:φ42*31.2mm
          Upgraded version:φ44*40.6mm

Weight: Standard version: 13.2g
              Upgraded version: 21g

Connector: GH1.25mm 8pin
Compass: RM3100


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  • Casing:
    standard version
    Upgraded Version
  • Shell color:
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Quantity:
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
1/1
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • UM980 RM3100 Compass Full System Full Frequency Integrated Module RTK Centimeter Level Positioning Autonomous Driving High Precision Navigation Performance UAV Solution Lightweight UAV GPS Module
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • High-Precision Positioning & Heading GNSS/GPS Module UM980/RM3100 Centimeter-Level RTK Solution
  • Description



丨 Product Introduction




1. Positioning: Supports joint RTK calculation of four models such as Beidou, with fast initialization and short positioning convergence time.

2. Data output: up to 20Hz output, suitable for high-speed drone trajectory tracking.

3. High compatibility: Compatible with flight control systems such as Pixhawk and APM, making integration convenient.

4. Compass configuration: Built in RM3100 compass, providing precise heading information for flight.




丨 Specification parameters


Chip

characteristics

chip

UM980

working frequency

BDS: B1I B2I B3I B1C B2a B2b

GPS: L1 C/A L1C L2P (Y) L2C L5

GLONASS: L1 L2

Galileo: E1 E5a E5b E6

QZSS: L1 L2 L5 L6

Receiving channel

1408 channel

Accuracy

Single point positioning (RMS)

Plane: 1.5m

Elevation: 2.5m

DGPS(RMS)

Plane: 0.4m

Elevation: 0.8m

RTK(RMS)

Flat: 0.8cm+1ppm

Elevation: 1.5cm+1ppm

Observation accuracy (RMS)

BDS

GPS

GLONASS

Galileo

B1I/B1C/L1C/L1 C/A/E1/G1 pseudorange

10cm

10cm

10cm

10cm

B1I/B1C/L1C/L1 C/A/E1/G1 Carrier Phase

1mm

1mm

1mm

1mm

B3I/L2P(Y)/L2C/G2 pseudorange

10cm

10cm

10cm

10cm

B3I/L2P(Y)/L2C/G2

Carrier Phase

1mm

1mm

1mm

1mm

B2I/B2a/ B2b/L5/E5a/E5b pseudorange

10cm

10cm

10cm

10cm

B2I/B2a/ B2b/L5/E5a/E5b Carrier Phase

1mm

1mm

1mm

1mm

Time accuracy (RMS)

10ns

Speed accuracy (RMS)

0.03 m/s

Start Time

cold boot

<10s

Initialization time

<5s (typical value)

Initialize reliability

> 99.9%

Output data

Baud rate

115200bps (default) [Optional: 4800-921600]

Output interface

TTL

Output Protocol

NMEA0183、RTCM 3.3

update frequency

1Hz-20Hz (default 1Hz)

Differential

data

Differential data

RTCM 3.3/3.2/3.1/3.0

Carrier phase output

Support, output RAWX statement

FLASH

built-in

Electrical

specifications

working voltage

3~5.5V DC

power waste

<800mW @3.3V

Physical

parameters

size

Standard version:φ42*31.2mm
Upgraded version:φ44*40.6mm

weight

Standard version: 13.2g
Upgraded version: 21g

Connector

GH1.25mm  8pin

Environment

working temperature

-35℃-80℃

Storage temperature

-40℃-95℃

Compass

compass

RM3100





丨 product mix


Standard version:


Upgraded version:

                                           

                                                                 Table 1 PIN Function

NO.

Pin Definition

Describe

1

VCC

Main power input+ 3.3V~5V

2

GND

Module grounding

3

TX1

Serial port 1 sends data, 3.3VTTL

4

RX1

Serial port 1 receives data, 3.3VTTL

5

SCL

I ² C serial clock(RM3100)

6

SDA

I ² C serial data(RM3100)

7

TX2

Serial port 2 sends data, 3.3VTTL

8

RX2

Serial port 2 receives data, 3.3VTTL




Packaging and Delivery:








Product Overview

The DALANG AK713RM is a full-system RTK engine GNSS receiver module supporting both Rover and Base Station modes, delivering real-time centimeter-level differential positioning accuracy. Based on the UM980 chip, it is suitable for UAVs, automotive, and surveying applications.

Centimeter-Level RTK
Designed on the UM980 series, it supports BeiDou, GPS, Galileo, and GLONASS joint RTK calculation with fast initialization, achieving 1 cm static and 2 cm dynamic accuracy.

High-Frequency Data Output
Supports adjustable 1-20 Hz output, up to 20 Hz for high-speed UAV positioning, ensuring continuous and stable trajectory tracking.

Industrial Reliability
Features industrial-grade low-noise RF circuitry, strong multipath suppression, and a built-in quad helix antenna. Weighing only 21g, it maintains stable performance in harsh environments.

Broad Compatibility
Fully compatible with Pixhawk, APM, and other flight controllers, supporting NMEA0183 and RTCM 3.3 protocols for easy integration.



Key Features

  • Centimeter-Level RTK: 1 cm static, 2 cm dynamic accuracy

  • Four-System Support: BDS/GPS/Galileo/GLONASS

  • 20 Hz Output: For high-dynamic applications

  • Strong Anti-Interference: Industrial RF with multipath suppression

  • Lightweight & Compact: 21g, Φ44×40.6mm

  • RM3100 Magnetometer: Accurate heading reference

  • Wide Temperature Range: -35℃ to 80℃




Providing high-precision, reliable positioning for UAVs, automotive, and surveying. DALANG AK713RM - stability in dynamic environments.



About Us

DALANG is a dedicated manufacturer of high-performance GNSS modules and RTK positioning solutions, serving industries such as UAV navigation, precision agriculture, and geospatial mapping. With a clear focus on accuracy, reliability, and integration flexibility, we support both standard and custom applications across global markets. Our product lines are engineered to meet the evolving demands of real-time positioning with support for multiple GNSS constellations, including GPS, GLONASS, BDS, and Galileo.

Our production facility spans 2,500㎡ and includes advanced SMT lines, in-house R&D labs, and full functional testing for every unit shipped. With a team of 30+ GNSS engineers, we design and manufacture over 200,000 GNSS receivers and modules annually. Certified to ISO9001:2015, and compliant with CE and RoHS standards, we follow a strict quality assurance process from prototyping through mass production. We also provide firmware updates, system integration support, and full lifecycle product documentation.

Trusted by partners in over 30 countries, DALANG delivers fast, scalable manufacturing with personalized technical support. Our streamlined collaboration model—covering inquiry, consultation, prototyping, and delivery—ensures efficiency from first contact to deployment. Whether you're sourcing off-the-shelf GNSS hardware or launching a customized solution, DALANG is your dependable partner for accurate, cost-effective positioning systems.


FAQ

1. Who are we?
We are DALANG, a specialized manufacturer of GNSS modules and RTK positioning systems based in China, with a focus on high-precision solutions for UAVs, surveying, and smart agriculture.

2. How can we guarantee quality?
All products undergo strict multi-stage quality control, including SMT production, functional testing, and 100% final inspection. We are ISO9001:2015 certified and follow international compliance standards such as CE and RoHS.

3. What can you buy from us?
You can purchase GNSS receivers, RTK modules, base stations, antennas, flight control positioning systems, and other GNSS-related components and accessories.

4. Why should you buy from us not from other suppliers?
We combine strong in-house R&D, flexible OEM/ODM support, industrial-grade quality assurance, and fast global delivery. Our expertise in GNSS RTK ensures stable, accurate, and scalable solutions tailored to your specific use case.

5. What services can we provide?
We offer OEM/ODM customization, technical consulting, firmware support, prototyping, and global after-sales service. Our team works closely with international clients to ensure efficient communication and long-term support.

 



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