The HamShield supports both voice and packet radio modes. You could even invent your own digital modes with enough skill. It is compact, lightweight, and works great with any Arduino or Arduino ...

This unconventional Arduino-based FM receiver is the result of one such inventory overflow, and even though it may take the long way around to listening to NPR, [Kevin Darrah]’s build has some ...

Ever wanted to build an FM radio? Armed with an Arduino and a RDA5807M FM radio module, T. K. Hareendran shows us how to get started.

The Rapid Radio is a 2.4GHz ISM band devices and is both Raspberry Pi And Arduino compatible and is supplied with full rapidradio source ...

Short-range radio specilaist LPRS has introduced a stacked module that allows Arduino boards to communicate wirelessly with other Arduino boards or PC hosts. The system uses the supplier’s easyRadio ...

^.^ Very nice find! That's some quality RE work there. Either done by someone who really, really knows RF, or someone "guided" by someone who might have known a few things about the encodings ...

What's more? It could be done simply by intercepting the radio communication between the key and transponder using a $40 Arduino radio device.