GPS Module Reyax RYS8839 review and interfacing it on a computer

In this video, I'm reviewing and testing a GPS module from Reyax, the RYS8839 which is a dual-band, L1 L5 multi constellation GNSS module.
The module is ultra small in size with just 11 by 8 mm and it is used with an external antenna so it is very easy to put inside a product where the antenna can be routed outside for a better view of the sky and thus better signal.
The module operates at 1.8V and with its Lite version, it can also be powered from 3.3V and 5V but the logic levels are always at 1.8V. Because of this, you need to be careful if you plan to use it with development boards like the ESP32 or NodeMCU to always use a level shifter.
In the video, I have the module connected through the RYLS135 level shifter module from Reyax to my computer where I can then interact with the module through the provided GNSS Monitor app and I can send commands to the module, as well as receive data and GPS position from it.
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GPS Module Reyax RYS8839 review and interfacing it on a computer
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[@mibrahim4245]

whats the point of being tiny of the antennat is huge

[@TasteTheCode]

With the antenna being external, you can package the receiver in a small form factor so it can be embedded inside vehicles or other objects that you want to track, and the antenna can be mounted with a clear view of the sky. Unfortunately, the antenna is not something that you can omit or reduce in size.

[@mibrahim4245]

@@TasteTheCode but do you know alternatives where we can use small onboard antetnnas ? Like in smart watches and mobile phones

[@TasteTheCode]

GPS antennas in smartwatches are a great challenge and require very precise engineering and planning. Most mini modules with integrated antennas just slap the ceramic antenna on the "back" side of the module to try and reduce the footprint. There was a module announced called Nano Hornet that was supposed to be 10x10mm GPS module with integrated antenna but its company went out of business as far as I know.

[@mibrahim4245]

@@TasteTheCode thanks a lot, I'll search for that, and if you have more suggestions to search plz let me know 🙏

[@J0stik]

do you have discord server ?

[@TasteTheCode]

No, not yet.