Back in 2018, we covered [Igor’s] Easy-SDR project that aimed to provide open hardware extensions for the chap RTL-SDR receivers. If you haven’t been there for a while, it’s worth a look as there have ...

Abstract: Software-defined radio (SDR) transceivers have been of great interest in amateur radio in recent years due to their low cost, small form factor, and ease of development for different ...

I will quote a lot of times from this official document, see the full document here: https://developer.android.com/develop/connectivity/nfc/hce This app explains how ...