|
Specification parameters
|
|
Chip
characteristics
|
1
|
chip
|
UBX-M9140
|
|
2
|
Signal channel
|
92-channel
|
|
3
|
working frequency
|
GPS: L1 C/A,
QZSS: L1 C/A/S,
GLONASS: L10F,
BeiDou: B1I,
Galileo: E1B/C ,
SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN
|
|
4
|
Time pulse frequency
|
0.25Hz-25Hz (default 1Hz)
|
|
5
|
Time pulse signal accuracy
|
RMS:30ns
|
|
99% :60ns
|
|
6
|
Horizontal
position accuracy
|
1.5m CEP (with SBAS)
|
|
2.5m CEP (without SBAS)
|
|
7
|
Start Time
|
Cold start: 24 seconds
|
|
Warm start: 2s
|
|
Hot start: 2s
|
|
8
|
sensitivity
|
Tracking: -167dBm
|
|
Re capture: -160dBm
|
|
Cold start: -148dBm
|
|
Hot start: -159dBm
|
|
9
|
Speed accuracy
|
0.05m/s
|
|
10
|
Baud rate
|
38400bps (default) [Optional: 4800-921600]
|
|
11
|
Output Protocol
|
NMEA-0183、RTCM 3.3、UBX
|
|
12
|
Output level
|
TTL
|
|
13
|
Extreme working state
|
Gravity acceleration limit: 4g
|
|
Height limit: 80,000m
|
|
Speed limit: 500m/s
|
|
Antenna
characteristics
|
1
|
Antenna specifications
|
25*25*4
|
|
2
|
Maximum gain of antenna
|
2.5dBi
|
|
|
3
|
Polarization mode
|
RHCP
|
|
4
|
Noise coefficient
|
≤0.8dB
|
|
5
|
LNA gain
|
L1:20±2dB
|
|
Working
characteristics
|
1
|
working voltage
|
3V-5.5V DC(Typical value: 5.0v)
|
|
2
|
power waste
|
<100mW @5V
|
|
3
|
size
|
50*38*17.5
|
|
4
|
weight
|
44.6g
|
|
5
|
Connector
|
TYPE-C
|
|
6
|
wire rod
|
RG174
|
|
7
|
Line length
|
customizable
|
|
8
|
working temperature
|
-35℃-75℃
|
|
9
|
Storage temperature
|
-40℃-85℃
|
丨 product mix


Table 1 Interface Definition
|
No.
|
Pin number
|
signal name
|
describe
|
|
1
|
A1/A12
|
GND
|
Grounding (physically symmetrical, actually on the same pin)
|
|
2
|
A2/A11
|
TX1+ / TX2+
|
Ultra high speed differential pair (USB 3.2 Gen1/Gen2)
|
|
3
|
A3/A10
|
TX1- / TX2-
|
Ultra high speed differential pair (USB 3.2 Gen1/Gen2)
|
|
4
|
A4/A9
|
VBUS
|
Power supply (default 5V, supports PD up to 20V/5A)
|
|
5
|
A5/A8
|
CC1 / CC2
|
Configure channels (detect insertion direction, PD protocol)
|
|
6
|
A6/A7
|
D+ / D-
|
USB 2.0 differential pair (low-speed data transfer)
|
|
7
|
B1/B12
|
GND
|
grounding
|
|
8
|
B2/B11
|
RX2+ / RX1+
|
Ultra high speed differential pair (receiving end)
|
|
9
|
B3/B10
|
RX2- / RX1-
|
Ultra high speed differential pair (receiving end)
|
|
10
|
B4/B9
|
VBUS
|
power supply
|
|
11
|
B5/B8
|
CC2 / CC1
|
Configure channel (symmetrical with A5/A8)
|
|
12
|
B6/B7
|
D- / D+
|
USB 2.0 differential pair (reverse to A6/A7)
|
Packaging and Delivery:

Seamless GPS Integration for Android and Automotive Devices
The DALANG UBX-M9140 GPS module features a Type-C connector and is optimized for Android tablets and vehicle-mounted systems. It supports Four-model joint solution, offering sub-meter accuracy for drivers, developers, and tech enthusiasts looking to buy GPS receiver hardware with fast setup.
Accurate Speed and Timing for Smart Mobility
Built with advanced timing and speed measurement functions, this module is ideal for real-time vehicle tracking and onboard telemetry. Whether you're building a mobile data platform or evaluating GPS for sale, this unit ensures consistent performance in real-world road conditions.
Sub-Meter Level Positioning with Beidou/GPS Support
By integrating Beidou and GPS satellite signals, this GPS module delivers stable sub-meter precision. It’s ideal for vehicle navigation, Android-based dashboards.
Cross-Platform Compatibility with Windows 10/11 and Android
With native support for Windows 10, Windows 11, and Android devices, this GPS module is a plug-and-play solution for a range of platforms. For developers and testers needing scalable drone GPS or vehicle GPS hardware, it’s a highly versatile solution.
Product Advantages
Type-C GPS Module with Android/Windows Support
This GPS module plugs directly into Android tablets and Windows devices via Type-C—no extra drivers required. If you're looking to buy GPS module units for prototyping or in-vehicle navigation, this is a seamless solution.
Dual-System Satellite Tracking for Reliable Accuracy
The integration of Beidou and GPS boosts signal reliability. A great pick for anyone ready to buy GPS receiver modules with multi-constellation support for robust positioning.
Ideal for Automotive and Drone GPS Applications
Although car-optimized, the module’s GNSS performance makes it a good fit for telemetry in drone GPS systems and off-road mapping. Versatile and accurate, it checks every box.
Looking for plug-and-play GPS with sub-meter accuracy? Order the DALANG UBX-M9140 GPS module today and connect your Android or vehicle system in seconds.
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
What devices are compatible with the UBX-M9140 GNSS module?
Our UBX-M9140 module offers native compatibility with Windows 10/11 and Android platforms, including flight controllers, tablets, and vehicle-mounted systems. The Type-C plug-and-play interface ensures easy integration for various consumer and industrial applications involving GPS navigation and positioning.
Can I customize the UBX-M9140 GNSS receiver for specific applications?
Yes, we provide OEM/ODM customization services for the UBX-M9140 and other GNSS receivers. Our experienced R&D team can assist with firmware updates, protocol adjustments, and integration support tailored to your product requirements and usage scenarios.
How do I ensure proper installation and data accuracy with this GPS module?
We recommend installing the module where it has a clear view of the sky for optimal satellite tracking. The UBX-M9140 supports multi-constellation signals and high-rate output up to 25 Hz, delivering sub-meter accuracy and robust anti-interference performance for dependable GPS systems for sale.
What quality assurance steps do you take for your GNSS products?
We follow strict multi-stage quality control including SMT manufacturing, functional testing, and 100% final inspection. Certified to ISO9001:2015 with CE and RoHS compliance, we ensure that every GNSS receiver for sale meets industrial standards for performance and reliability.