丨 Product Introduction
1. Multi system joint positioning: Providing higher positioning accuracy and reliability through multi system joint positioning.
2. High performance: With high-speed and efficient computing power, suitable for complex environments and application scenarios.
3. Low power consumption: Equipped with comprehensive power management functions, effectively reducing power consumption and extending device battery life.
丨 Specification parameters
|
Specification parameters
|
|
Chip
characteristics
|
1
|
chip
|
Zhongke Micro AT6558R
|
|
2
|
Signal channel
|
99-CH
|
|
3
|
Signal reception
|
BDS/GPS/GLONASS parallel reception and joint positioning
|
|
4
|
cold boot
|
≤32s
|
|
5
|
Hot start
|
≤1s
|
|
8
|
Re capture
|
≤1s
|
|
9
|
Cold start capture sensitivity
|
-148dBm
|
|
10
|
Hot start capture sensitivity
|
-156dBm
|
|
11
|
Re capture sensitivity
|
-160dBm
|
|
12
|
Tracking sensitivity
|
-162dBm
|
|
13
|
positioning accuracy
|
＜2m
|
|
14
|
Speed measurement accuracy
|
＜0.1m/s
|
|
15
|
Timing accuracy
|
＜30ns
|
|
16
|
Positioning update rate
|
1Hz (maximum 5Hz)
|
|
17
|
Baud rate
|
256000bps
|
|
18
|
Output Protocol
|
NMEA
|
|
19
|
RF input gain
|
18~35dB
|
|
20
|
Low noise amplifier LNA
|
Gain=21.5dB，NF=0.8dB
|
|
Working
characteristics
|
1
|
working voltage
|
3.3 DC
|
|
2
|
power waste
|
<100mW @5V
|
|
3
|
size
|
18*18*7mm
|
|
4
|
weight
|
7.4g
|
|
5
|
Connector
|
SH1.0mm 4pin
|
|
6
|
working temperature
|
-35℃-75℃
|
|
7
|
Storage temperature
|
-40℃-85℃
|
Table 1 PIN Function and Power Indicator
|
Pin Number
|
Signal Name
|
Signal Description
|
|
1
|
VCC
|
Main power input, +3.3V
|
|
2
|
TXD
|
Transmit Data
|
|
3
|
RXD
|
Receive Data
|
|
4
|
GND
|
Ground
|
|
Power Indicator
|
|
5
|
PPS
|
Pulse Per Second (timing pulse)
|
|
6
|
POWER
|
Power supply
|
Packaging and Delivery：
Product Overview
The DL18Z6A is a highly integrated, high-performance BeiDou/GNSS multi-mode satellite navigation receiver chip based on the Zhongke Micro AT6558R core solution. The chip integrates RF front-end, digital baseband, and a 32-bit RISC CPU, supporting joint positioning across BeiDou, GPS, and GLONASS systems. It is suitable for applications such as intelligent transportation, precision agriculture, UAV navigation, and GIS data collection.
High Integration with Low-Power Design
The chip incorporates a complete RF front-end, baseband processor, and power management unit, with power consumption below 100mW, achieving a balance between high performance and low power consumption in a compact package.
Multi-System Joint Positioning for Higher Accuracy
Supports parallel reception and joint calculation of BeiDou, GPS, and GLONASS systems, with positioning accuracy <2m and speed accuracy <0.1m/s, providing more stable and reliable positioning data.
High Sensitivity and Fast Start-Up
Cold start capture sensitivity reaches -148dBm, hot start time ≤1s, reacquisition time ≤1s, meeting requirements for weak signal environments and fast positioning.
Product Advantages
High Integration and Performance
Utilizes a 99-channel reception architecture, supports multi-system parallel processing, with positioning update rate up to 5Hz, meeting dynamic application needs.
Low Power Consumption for Extended Battery Life
Operating voltage 3.3V, power consumption <100mW, combined with efficient power management to extend device battery life.
Compact and Lightweight for Easy Integration
Chip size only 18×18mm, weight 7.4g, equipped with SH1.0mm 4pin interface, suitable for various embedded devices.
Strong Environmental Adaptability
Operating temperature range from -35℃ to 75℃, suitable for outdoor and industrial environment applications.
Looking for a high-performance, low-power multi-mode navigation chip for your smart device?
The DL18Z6A offers a highly integrated, high-precision, and easy-to-integrate BeiDou/GNSS solution. Contact us for samples and technical documentation.
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 types of devices can the AT6558R GNSS module be used in?
Our AT6558R module is ideal for IoT wearables, smart accessories, vehicle navigation, UAV platforms, and marine devices. Its low power consumption and multi-system support make it perfect for any battery-powered device requiring precise GPS navigation and reliable positioning performance.
Can you customize the AT6558R GNSS module to fit specific project needs?
Yes, we offer OEM/ODM customization to tailor the AT6558R module’s firmware, interfaces, and packaging. Working closely with you, we ensure the gnss receiver meets your technical requirements for integration, performance, and power efficiency.
How do I install the AT6558R module in my device?
The AT6558R features a compact 18×18×7 mm form factor and uses an SH1.0 mm 4-pin interface for straightforward integration. We provide detailed technical documentation and firmware support to assist your development team in seamless installation and testing.
What shipping and support options do you provide when I buy a GNSS receiver from you?
We deliver globally with fast shipping solutions and provide full after-sales support including firmware updates and technical consulting. When you buy gnss receiver products from us, you can rely on ongoing service to ensure your system remains accurate and functional.
