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UM980 GNSS/GPS/RTK Board Module Full System Full Band Ultra Light Centimeter Level UAV

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Model:
UB980
Chip:
 UM980
Working frequency band: BDS/GPS/GLONASS/GALILEO/QZSS
Baud rate: 115200bps (default)
Update frequency: 1Hz-20Hz (default 1Hz)

Speed accuracy: 0.03m/s
Working voltage: 3~5.5V DC
Power consumption: 800mW
Size: φ71.1*45.7*3.6mm
Weight: 15g
Connector: 2x10 pin header with 2.0mm pitch / MCX Straight head
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  • Connector:
    SMA straight head
    SMA straight head
    SMA elbow
    SMA elbow
    MCX straight head
    MCX straight head
    MCX elbow
    MCX elbow
    MMCX straight head
    MMCX straight head
    MMCX elbow
    MMCX elbow
    IPEX
    IPEX
    customizable
Quantity:
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
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  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • UM980 GNSS board RTK high-precision positioning module instantaneous RTK initialization full system full frequency RTK low-power design anti-interference technology unmanned aerial vehicle agricultural machinery automatic navigation
  • Description






丨 Product Introduction


1. Advanced chip: Based on UM980, using Nebula IVM RF baseband and GNSS SoC chip.

2. Multi system compatibility: Receive multiple satellite signals such as BDS to increase coverage and accuracy.

3. Fast positioning: Real time RTK, high precision in seconds, suitable for complex environments.

4. Strong anti-interference: independent tracking, 60 decibel narrowband anti-interference, accurate positioning.




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)

10 ns

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

Physical

parameters

size

71.1*45.7*3.6mm

weight

15g

Connector

2x10 pin header with 2.0mm pitch

Antenna connector

MCX Straight head(customizable)

Environment

working temperature

-35℃-80℃

Storage temperature

-40℃-95℃





丨 product mix




                                                          Table 1 PIN Functionality

No.

Signal Name

Signal Description

1

NC

No connection internally

2

VCC

Power input, DC+5V

3

NC

No connection internally

4

RX3

Serial port 3 receive, can be reused as CAN RXD, 3.3VTTL

5

RESET

System reset, active low

6

NC

No connection internally

7

EVENT

Event trigger

8

NC

No connection internally

9

TX3

Serial port 3 transmit, can be reused as CAN TXD, 3.3VTTL

10

GND

Ground

11

TX1

Serial port 1 transmit, 3.3VTTL

12

RX1

Serial port 1 receive, 3.3VTTL

13

GND

Ground

14

TX2

Serial port 2 transmit, 3.3VTTL

15

RX2

Serial port 2 receive, 3.3VTTL

16

GND

Ground

17

 

PVT_STAT

PVT positioning status, active high. Outputs high level when the module is able to position, and low level when not positioning

18

GND

Ground

19

PPS

Pulse per second

20

RTK-STAT

RTK status indicator, light on when RTK fixed solution

 

                                                Table 2 Interface Characteristics

No.

Name

Symbol

Min

Typical

Max

Unit

1

Main Power Supply

Vcc

2.7

5.0

5.5

V

2

RF Port Supply Voltage

VRF

3.0

3.1

3.3

V

3

Input High Level

VIH

2.0

 

 

V

4

Input Low Level

VIL

 

 

0.7

V

5

Output High Level

VOH

3.2

 

 

V

6

Output Low Level

VOL

 

 

0.1

V

7

Main UART Baud Rate - Baud

Baud

 

115200

 

bps

8

Differential Baud Rate - Baud

Baud

 

115200

 

bps





Packaging and Delivery:








DALANG AK315 FPV GPS Module (Based on UM980 Chip)

High-Precision GNSS Engine for Drones and Agriculture
The DALANG AK315 FPV GPS Module is a multi-band, multi-system GNSS board based on the UM980 chip, designed for centimeter-level accuracy, supporting GPS, BDS, GLONASS, and Galileo. This powerful RTK solution is ideal for UAV navigation, smart agriculture, and geomatics missions.

High-Frequency RTK Engine for Real-Time Positioning
With its fast multi-band RTK engine powered by the UM980 chip, the AK315 delivers real-time corrections and stable GNSS data across varied terrains. Whether mounted on an autonomous drone or a tractor, this FPV module ensures precise position tracking for accurate workflow requirements.

Designed for Open-Source Flight Controllers and Integrators
Fully compatible with open-source systems like ArduPilot, PX4, and custom builds, the AK315 FPV Drone GPS Module supports flexible deployment and long-term scalability. It is the perfect board for UAV developers and integrators seeking a stable FPV receiver module.

Reliability in Harsh Environments
Thanks to the robust anti-interference performance and high signal sensitivity of the UM980 chip, the AK315 excels in urban, mountainous, or foliage-heavy settings. It is a proven FPV GPS module for operators needing stable GNSS output in real-world conditions.


Product Advantages

  • UM980 Chip-based with Multi-band GNSS support for maximum accuracy
    Leveraging the UM980 chip and supporting L1/L2 bands and multiple constellations, this FPV GPS module enables real-time centimeter-level positioning—a must-have FPV receiver for professional-grade tracking developers.

  • Optimized for open-source and OEM use
    Fully compatible with F4/F7 flight controllers and open-source systems, the AK315 is one of the most versatile FPV drone GPS modules on the market.

  • Stable performance in challenging environments
    Whether flying over dense forests or operating in interference-prone areas, this FPV module provides reliable RTK correction and consistent tracking—a dependable FPV module for demanding terrains.

  • High performance, low power, easy integration
    The AK315's compact size and low power consumption make it ideal for drones or AGV systems—a compact FPV receiver module suited for high-volume applications.


Need more capable UAV or agricultural systems?
Upgrade your flight control module projects with real-time RTK performance—choose the DALANG AK315 GNSS board based on the UM980 chip today.



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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