丨 Product Introduction
1. Multi mode solution: Supports joint solution of five modes such as Beidou and GPS, with good global positioning compatibility and fast and reliable initialization.
2. High data rate: 5Hz data output rate, high-performance processing, fast response to dynamic environments.
3. A-GPS compatibility: Supports A-GPS services such as Assist Now Online and Assist Now Offline.
4. Antenna characteristics: Built in ceramic antenna with specific specifications, lightweight, high gain, high precision, and strong anti-interference.
丨 Specification parameters
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Specification parameters
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Chip characteristics
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1
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chip
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Dual frequency chip
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2
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Signal channel
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96 channels
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3
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working frequency
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GPS L1 C/A, L5
GLONASS G1
BDS B1I, B1C*, B2a
Galileo E1, E5a
QZSS L1, L5
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4
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First Time of Positioning
(TTFF) 1
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Cold start:<26 seconds
Hot start:<2 seconds
Re capture:<2 seconds
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5
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sensitivity
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Tracking: -162 dBm
Re capture: -160 dBm
Cold start: -148 dBm
Hot start: -158 dBm
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6
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Positioning accuracy (CEP) 1
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Plane: 1.5 meters (dual frequency four system)
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7
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Speed accuracy
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0.05m/s
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8
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1PPS
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20ns
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9
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Data update rate
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1Hz-5Hz（default）1Hz
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IMU gyroscope
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1
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range
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±250°/s
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2
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Zero bias stability
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3.5°/h
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IMU accelerometer
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1
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range
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±8g
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2
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Zero bias stability
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25μg（x,y） 100μg（z）
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Antenna characteristics
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1
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Ceramic size
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35*35*4/25*25*4
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2
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Maximum gain of antenna
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2.5dBi
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3
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Polarization mode
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Right-handed circular polarization
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4
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Noise coefficient
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≤0.8dB
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5
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LNA gain
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L1：20±2dB
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Job characteristics
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1
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working voltage
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3.3V-5.5V DC (typical value: 5.0V)
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2
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power waste
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<100mW @5V
|
|
3
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Overall size
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50*18mm
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|
4
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weight
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89.6g
|
|
5
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Line length
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3m
|
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6
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interface
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Pitch 3.0mm Public Housing 2x02P
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|
7
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Agreement
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RS232
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8
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working temperature
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-40℃-85℃
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|
9
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Storage temperature
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-40℃-85℃
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Table 1: Interface Definition Explanation Diagram
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PIN Name
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describe
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RXD
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RS232 interface data input
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GND
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Grounding
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TXD
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RS232 interface data output
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VCC
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Power input, DC+5V
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Connector model
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Pitch 3.0mm Public Housing 2x02P
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Multi-System High-Precision Positioning Module
The AK188 is a high-performance GNSS receiver equipped with high-performance ceramic antenna, supporting five-system positioning including BeiDou, GPS, Galileo, GLONASS, and QZSS. This module maintains stable positioning even in complex urban environments, with planar accuracy of 1.5 meters and data update rate up to 5Hz, making it an ideal positioning solution for UAVs, UGVs, and other mobile platforms.
Advanced Positioning Technology
Features 96 signal channels, cold start time <26 seconds, hot start only 2 seconds. Built-in high-performance ceramic antenna provides excellent signal reception capability.
Industrial-Grade Reliability
Industrial-grade low-noise RF circuit design, operating temperature range -40°C to 85°C, power consumption <100mW, ensuring stable operation in harsh environments.
Easy Integration
Provides RS232 interface, uses standard connector, 3-meter cable length, facilitating various system integrations.
Product Advantages
Five-System Positioning
Supports five major satellite systems
Fast Positioning Response
Cold start <26s, hot start only 2s
Stable & Accurate
Planar accuracy 1.5m, update rate up to 5Hz
Industrial-Grade Quality
Wide temperature operation, strong anti-interference
Plug & Play
Standard interface, easy integration
Need reliable positioning solution? AK188 meets your requirements！
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.
