The ANYTONE 878UV and most likely most other radios based on the same firmware have a secret factory settings mode. This mode is already know as “full test / self adjustment mode”. Details about it can be found here. This mode allows the a technician to fine tune various settings within the firmware. The currently…
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Analog APRS on ANYTONE AT-878UV and AT-878UVII
I recently upgraded my AT-878UV to an AT-878UVII, the most important driver for this was the new feature ANYTONE calls APRS RX. This is basically what it says, the new model is able to finally receive APRS messages. ANYTONE builds very good radios. Sadly they are often misunderstood as pure DMR toys. I have to…
Reverse Engineering Radios – ARM Binary Images in IDA Pro
In this article I will demonstrate how to start a basic analysis of an ARM firmware image. As an example we will take a look into the widely available firmware of ANYTONE 878UVII radios. The techniques explained in this article can also be used for other ARM based firmware and for images of a wide…
