In addition to holding your mobile cards loaded through the dongle, the Loop mobile app is similar to something like Lemon Wallet, as it also lets you snap photos of other cards you carry around in ...

There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely perform well. Random pieces of wire may pull in some ...

Antennas come in many shapes and sizes, with a variety of characteristics making them more or less suitable for various applications. The average hacker with only a middling exposure to RF may be ...

In a small shop on University Avenue in Palo Alto, mobile payments vet Will Graylin proudly points out the point-of-sale (POS) system sitting next to the register. "This is a 13-year-old Hypercom," ...

Paper 403: Measuring magnetic loop antenna performance. Despite the advent of the internet and streamed services, there is still an interest in traditional broadcasting. With that interest comes a ...