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 ...

Getting state (data) from a central remote source can be incredibly expensive (at least 300ms for a round-trip to something on the other side of the world), but usually takes less than 1ms from a ...

Abstract: High-fidelity in-phase and quadrature (I/Q) signal traces are critical for a variety of wireless network applications, including spectrum monitoring, interference detection and mitigation, ...