ATGM336H Dual-Mode GPS+BDS Positioning Module

SKU: SPG-003
  • Supports dual-mode GPS and BDS satellite positioning for enhanced accuracy.
  • Compact and power-efficient design, ideal for portable applications.
  • High sensitivity ensures reliable performance even in challenging environments.
  • Compatible with multiple GNSS systems, including GLONASS and GALILEO.
  • Features built-in antenna detection and short-circuit protection for durability.

7,008,50

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⏱️ Estimated Delivery Time (After Processing)

RegionEstimated Delivery (Business Days)
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Australia5–8
Africa5–15

 

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Hello, fellow geeks!

I’m an embedded systems engineer with a degree in IoT Engineering, and I’ve been deeply involved in AIoT product development for years. I’ve participated in several B2B projects from the ground up — covering open-source hardwaresystem architecturehardware selection, and solution implementation.

Through this journey, I’ve come across all kinds of AIoT products.
Some are smart, efficient, and elegantly designed; others are overcomplicated, packed with features that don’t solve real problems.
Over time, I’ve started focusing on one simple but important question:

Does this product truly solve the user’s core need?
Not just whether it’s ‘cool’ or uses the latest tech.

I firmly believe that great products don’t have to be complex or expensive — they just need to solve problems clearly and effectively, at a reasonable cost.

That’s why I created this site:
A space where engineers can connect, share, and learn from each other.

Here, I share great products and smart solutions I’ve encountered during projects — and try to explain why they’re good.
This isn’t about marketing. It’s about real experiencehonest judgment, and technical clarity.

This platform is called sharingwin, because I believe in shared success.

You’ll find high-value, practical tools and products here — to help you save time on selectionavoid unnecessary trial and error, and focus on what works.

As for me, I hope to use this space to connect with like-minded engineersexchange ideas, and — to be honest — maybe earn a little on the side too. That’s part of the fun. 😄

 

To all the makers and creators who’ve supported me along the way — thank you.
Due to some heavy personal projects recently, I haven’t been able to update or engage as frequently as I’d like — and for that, I apologize.
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If you have any great products or ideas you think deserve more visibility, feel free to reach out.
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A single person has limited power —
but co-creation multiplies value.

If you believe in that too, let’s build something useful and meaningful — together.

The ATGM336H-5N series is a compact, high-performance BDS/GNSS full-constellation positioning and navigation module. Powered by the 4th-generation low-power GNSS SoC chip AT6558, it supports multiple global navigation satellite systems (GNSS), including China’s BDS (BeiDou Navigation Satellite System), the United States’ GPS, Russia’s GLONASS, the European Union’s GALILEO, Japan’s QZSS, and satellite-based augmentation systems (SBAS) such as WAAS, EGNOS, GAGAN, and MSAS. The AT6558 chip is a true six-in-one multimode GNSS chip with 32 tracking channels, enabling simultaneous reception from six navigation systems, providing combined positioning, navigation, and timing solutions. With high sensitivity, low power consumption, and cost efficiency, the ATGM336H-5N is ideal for automotive navigation, handheld positioning, and wearable devices, and it serves as a direct replacement for the Ublox MAX series modules.

Features:

  • Multi-Constellation Support: Provides positioning using BDS, GPS, GLONASS, GALILEO, QZSS, and SBAS systems in single-system or combined modes.
  • High Sensitivity: Cold start acquisition sensitivity of -148 dBm and tracking sensitivity of -162 dBm.
  • High Accuracy: Positioning accuracy of up to 2.5 meters (CEP50, open sky).
  • Quick First Fix: First fix time of 32 seconds.
  • Low Power Consumption: Operates continuously at less than 25mA (@3.3V), making it energy efficient.
  • Robust Design: Built-in antenna detection and short-circuit protection.
  • Output Protocol: Outputs data via UART in NMEA0183 format; see the “CASIC Multi-GNSS Receiver Protocol Specification” for details.

Applications:
The ATGM336H-5N series is designed for a wide range of GNSS-based applications, including:

  • Automotive Navigation: Reliable and accurate positioning for in-vehicle navigation systems.
  • Handheld Devices: Ideal for GPS-enabled portable devices used in navigation and tracking.
  • Wearable Technology: Compact design and low power consumption make it suitable for smartwatches, fitness trackers, and other wearables.
  • GNSS-Enabled IoT: Perfect for Internet of Things devices requiring robust positioning and navigation capabilities.

Specification

Positioning Function Supports BDS/GPS/GLONASS satellite systems, single-system positioning, and multi-system combination positioning, also supports QZSS and SBAS systems.
Supports A-GNSS Yes
Cold Start Acquisition Sensitivity -148dBm
Tracking Sensitivity -162dBm
Positioning Accuracy 2.5 meters (CEP50, open sky)
First Fix Time 32 seconds
Low Power Mode Continuous operation < 25mA (@3.3V)
Board Size 13.1mm x 15.7mm
Power Supply 3.3V-5V
Additional Features Includes SMA and IPEX connectors, EEPROM for storing wave information, XH414 rechargeable battery for faster hot start, built-in antenna detection and short-circuit protection.

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