丨 Product Introduction
1. Multi mode: compatible with multiple positioning systems such as Beidou, adapting to the environment.
2. High speed: 25Hz data output, fast dynamic response.
3. Anti interference: Low noise RF circuit, clear signal acquisition.
4. Easy integration: Suitable for mainstream flight controllers, easy to integrate.
丨 Specification parameters
|
Chip
characteristics
|
Chip
|
UBX-M9140-KB
|
|
Operating 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
|
|
Reception Channels
|
92 channels, u-blox M9 engine
|
|
Sensitivity
|
Tracking
|
-167 dBm
|
|
Reacquisition
|
-160 dBm
|
|
Cold Start
|
-148 dBm
|
|
Hot Start
|
-159 dBm
|
|
Time to First Fix (TTFF)
|
Cold Start
|
24s
|
|
Hot Start
|
2s
|
|
Reacquisition
|
2s
|
|
Accuracy
|
Horizontal Accuracy
|
1.5m CEP (with SBAS)
|
|
2.0m CEP (without SBAS)
|
|
Velocity Accuracy
|
0.2m/s
|
|
Pulse Per Second (PPS) Accuracy
|
RMS：30ns
|
|
99% ：60ns
|
|
Output Data
|
Baud Rate
|
38400bps (default)
|
|
Output Interface
|
TTL
|
|
Output Protocol
|
NMEA0183
|
|
Update Rate
|
Default 1Hz(Up to 25 Hz (4 concurrent GNSS))
|
|
Carrier Phase Output
|
Supported, outputs RAWX sentences
|
|
FLASH
|
Built-in
|
|
Environment
|
Operating Temperature
|
-40℃-85℃
|
|
Storage Temperature
|
-40℃-85℃
|
|
Electrical
Specifications
|
Operating Voltage
|
2.7V-3.6V DC
|
|
Power Consumption
|
<100mW
|
|
Physical
Parameters
|
Dimensions
|
16*12.3*2.2mm
|
|
Weight
|
2g
|
Table 1 Pin Function Definitions
|
NO.
|
NAME
|
I/O
|
DESCRIPTION
|
|
1
|
SAFEBOOT_N
|
I
|
SAFEBOOT_N (used for FW updates and reconfiguration, leave open)
|
|
2
|
D_SEL
|
I
|
Interface select (open or VCC UART +12C: GND SPI)
|
|
3
|
TIMEPULSE
|
O
|
TIMEPULSE (1 PPS)
|
|
4
|
EXTINT
|
I
|
EXTINT (PIO 7)
|
|
5
|
USB_DM
|
I/O
|
USB data (DM)
|
|
6
|
USB_DP
|
I/O
|
USB data (DP)
|
|
7
|
V_USB
|
I
|
USB supply
|
|
8
|
RESET_N
|
I
|
RESET (active low)
|
|
9
|
VCC_RF
|
O
|
Voltage for external LNA
|
|
10
|
GND
|
I
|
Ground
|
|
11
|
RF_IN
|
I
|
GNSS signal input
|
|
12
|
GND
|
I
|
Ground
|
|
13
|
GND
|
I
|
Ground
|
|
14
|
LNA_EN
|
O
|
Antenna/LNA control
|
|
15
|
Reserved
|
-
|
Reserved
|
|
16
|
Reserved
|
-
|
Reserved
|
|
17
|
Reserved
|
-
|
Reserved
|
|
18
|
SDA/SPICS_N
|
I/O
|
12C data if D_SEL VCC (or open): SPI chip selects if D_SEL GND
|
|
19
|
SCL/SPI SLK
|
I/O
|
12C clock if D_SEL VCC (or open); SPI clock if D_SEL GND
|
|
20
|
TXD/SPI MISO
|
O
|
UART output if D_SEL VCC (or open); SPI MISO if D_SEL GND
|
|
21
|
RXD/SPI MOSI
|
I
|
UART input if D_SEL VCC (or open): SPI MOSI if D_SEL GND
|
|
22
|
V_BCKP
|
I
|
Backup voltage supply
|
|
23
|
VCC
|
I
|
Supply voltage
|
|
24
|
GND
|
I
|
Ground
|
High-Performance GNSS Positioning Module
The DL1612M9 utilizes advanced u-blox M9 GNSS chip technology, delivering excellent sensitivity and fast signal acquisition while supporting all L1-band GNSS systems. Capable of simultaneously receiving signals from four major satellite navigation systems, it maintains meter-level positioning accuracy in complex urban environments, making it an ideal choice for various high-precision positioning applications.
Exceptional Positioning Performance
Based on the u-blox M9 engine with 92 reception channels, it supports multi-system combined positioning including GPS, BeiDou, GLONASS, and Galileo. Featuring spoofing and interference detection capabilities, advanced filtering technology effectively suppresses RF interference, ensuring stable operation in complex electromagnetic environments.
Flexible Interface Design
Offering multiple interface options including UART, I2C, and SPI, with pin compatibility with previous NEO series products. Supports up to 25Hz data update rates to meet real-time positioning requirements for high-dynamic applications. Built-in flash memory facilitates firmware upgrades and configuration storage.
Industrial-Grade Reliability
Operating temperature range of -40°C to 85°C, wide voltage input of 2.7V-3.6V, and power consumption below 100mW. Ultra-compact 16×12.3×2.2mm size weighing only 2g, suitable for space-constrained embedded applications.
Core Advantages
Multi-System Combined Positioning
Supports simultaneous reception from four satellite systems, enhancing positioning reliability
Strong Anti-Interference Capability
Advanced spoofing and interference detection ensures signal security
High Integration Design
Built-in LNA and SAW filters simplify peripheral circuits
Flexible Interface Configuration
Supports UART/I2C/SPI multi-protocols for easy system integration
Integrate DL1612M9 now to empower your devices with precise positioning capability!
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.
