Scientific measuring apparatus, namely, radio channel emulators to measure, generate and emulate radio propagation; Telecommunication testing equipment, namely, radio channel emulators to stimulate antennas and generate radio propagation channels; Computer hardware and software to evaluate radio propagation phenomena, both in real time and via data playback methods; Computer hardware and software to evaluate radio propagation phenomena, through either conducted or over-the-air methods; Computer software to emulate radio propagation effects due to antenna arrays and various array configurations; Computer software to emulate and evaluate radio propagation effects due to fast dynamic changes in the environment; Computer software to emulate and evaluate radio propagation effects due to multiple sources and/or receive points; Computer hardware and software to evaluate, emulate, test and analyze cellular, wireless local area networks and other wireless technologies, devices and systems