USB GPS Module GLONASS Beidou GPS Dongle Built-in Ceramic Antenna
Quick take
This USB GPS module is designed for easy DIY integration, with a built-in ceramic antenna and support for GPS plus GLONASS by default, plus GPS+Beidou or GLONASS+Beidou modes. Reviewers commonly describe quick locking and plug-and-play style setup on Linux (appearing as a serial device) and Windows. The main caveat is that it may not meet needs for PPS-based time synchronization over USB.
Pros and cons
Pros
- Multi-constellation capability (GPS+GLONASS by default, with Beidou pairing modes)
- Works across Windows XP, 7, 8, and 10, and is reported as compatible with Raspberry Pi and Linux without extra driver steps
- Built-in ceramic antenna with an IPEX antenna socket for an external active antenna if you need more reach
- Supports configurable output settings and baud rates (including common serial speeds)
Cons
- Not a good match if you need PPS output for NTP or chrony time sync over USB
- Performance depends on antenna placement, since the built-in active ceramic antenna generally needs a clear view of the sky
What buyers think
Buyer-review evidence is limited in volume, but the recurring themes are clear. Setup is widely described as straightforward, with Linux users noting it is detected as a serial device (such as ttyACM0) and runs without extra driver configuration. Users also mention quick signal acquisition and stable connectivity after plugging it in (including projects running on Raspberry Pi). On Windows, reviewers report the module works well with GPS software and that the unit’s status LED can help confirm it is receiving a fix. There is also a notable compatibility limitation reported for PPS needs, where users say PPS is not available over USB for certain Linux time-sync setups.
What this USB GPS module is for
This is a small USB GPS dongle aimed at makers and practical deployments that need NMEA-style location data over a simple USB connection. It is a fit for Raspberry Pi builds, field devices that log coordinates, vehicle or marine projects, and laptop setups that want GPS without a bigger receiver.
The multi-constellation modes are the centerpiece feature. The module supports GPS plus GLONASS (default), and it can also be switched into GPS+Beidou or GLONASS+Beidou combinations. In practice, that gives you more satellite sources to work with, which can help in marginal reception areas.
Key features that matter in daily use
A built-in antenna, plus an external antenna option
The module includes a high-sensitivity ceramic antenna, designed to work when the antenna has a reasonable sky view. It also has an IPEX antenna socket, so you can connect an external active antenna if your installation can’t guarantee clear exposure.
Serial communication and configuration flexibility
Because it connects over USB 2.0 Type A and presents GPS data via a serial-style interface, it is well suited to scripts, dashboards, and embedded logging. It supports multiple baud rates (including 4800 through 112500 bps) and can be configured for different output and protocol behaviors.
Operating modes and speed of lock (practical expectations)
From a buying standpoint, the spec highlights focus on hot/warm/cold start behavior and tracking sensitivity. While real-world results depend heavily on antenna placement and sky visibility, review comments generally point to fast locking after install.
Pros and cons in plain English
Pros
- Good plug-in experience for common maker setups, especially when you want serial GPS data on Linux or Windows.
- Multi-constellation support, which can improve satellite availability versus GPS-only devices.
- Expandable antenna setup thanks to the IPEX port.
- Supports configuration and typical serial workflows (helpful for logging and custom software).
Cons
- If your priority is precise time synchronization using PPS (pulse-per-second), this unit may fall short because PPS is reportedly not provided via USB in the way some Linux tools expect.
- If the built-in ceramic antenna can’t “see” the sky (for example, inside enclosed spaces or under heavy coverings), performance may suffer, which is where the external antenna option becomes important.
Who should buy it
- DIY tinkerers who want a simple USB GPS receiver with multi-constellation support for Raspberry Pi or Linux.
- Windows users running GPS software who want an affordable way to get location data from a small USB module.
- Projects that can mount the antenna with a clear sky view, such as vehicle builds where the sensor is placed externally or roof-mount style.
- Anyone who might want to upgrade to an external active antenna later, thanks to the IPEX connector.
Who should avoid it
- People using PPS-based time sync (for example, NTP with chrony-style setups) who specifically need PPS to be available over USB.
- Deployments where the antenna will be permanently blocked from sky view and you do not plan to use an external antenna.
How it compares in the USB GPS antenna category (by fit, not brand)
- If you want plug-and-play GPS data: This type of USB dongle is ideal when you prefer serial/NMEA workflows and easy OS integration. The Linux detection as a tty device can reduce setup friction.
- If you need PPS timekeeping: Many hobby USB GPS modules focus on NMEA output rather than disciplined timing signals. If PPS is a requirement, you should verify PPS availability and tool support for your exact time-sync stack before buying.
- If reception is difficult: look for units with an antenna socket that accepts an external active antenna, so you can mount the antenna where the sky view is best.
Bottom line
This USB GPS module is a solid low-cost option for typical location logging and navigation-integration projects, particularly for Raspberry Pi and Linux users who want a straightforward USB-to-serial style experience. It also gives you more satellite sources via GPS+GLONASS default, with Beidou pairing modes. Skip it if PPS over USB is central to your use case, and plan for good antenna placement (or an external antenna) to get consistent fixes.
FAQ
Does this USB GPS module require drivers on Linux?
It is reported as working on Linux without extra driver configuration, and it may show up as a serial device such as ttyACM0.
What satellite modes does it support?
It supports GPS plus GLONASS by default, and it can be configured into GPS+Beidou or GLONASS+Beidou modes.
Can I use an external antenna instead of the built-in ceramic antenna?
Yes. The module includes an IPEX antenna socket, so you can connect an external active antenna if you need better sky coverage.
Is this suitable for NTP or chrony time sync using PPS?
Reviewers indicate it may not provide PPS over USB in the way some Linux time-sync setups expect. If PPS-based timekeeping is critical, verify PPS support for your specific software stack before relying on this module.
What baud rates does it support for serial output?
It supports multiple standard baud rates, including 4800, 9600, 19200, 38400, 57600, and 112500 bps.
Specifications
| Product Title | USB GPS Module GLONASS Beidou GPS Dongle Built-in Ceramic Antenna, Better Than VK-162 VK-172 |
|---|---|
| Category | Electronics > GPS, Finders & Accessories > GPS System Accessories > Antennas |
| Brand | Stemedu |
| Manufacturer | Stemedu |
| Hardware Interface | USB 2.0 Type A |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet |
| Data Link Protocol | USB |
| Compatible Operating System Family | Linux, Windows |
| Minimum Required Operating System Version | Windows XP |
| Unit Count | 1.0 Count |
| Number of Packs | 1 |
| Number of Items | 1 |
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