Revolabs
With a definition of 50 Hz to 22kHz, the wireless microphone system for Executive HD conferencing is easy to use and deploy. DFS22's proprietary technology enables wide-band frequency that improves speech intelligibility and presence. In turn, Designed for Speech technology consists of proprietary audio processing algorithms for accurate reproduction of the human voice. The microphones include RF Armor technology, for clean operation of the microphone even in direct contact with all wireless electronic devices that cause interference, such as GSM, mobile and smart phones, etc. It is offered in 4- and 8-channel models and supports up to 32 microphones connected outside the U.S. The lower audio bandwidth mode allows more systems of the same brand to be used in a given area. It can be controlled remotely.