Descriptions:PWB69W is a digital wireless conferencing system. It consists of KBE601AU, KBE601, WDM69D, WDM69C with the features, e.g. powerful and systematic fucntion, convenient and easy operation for the applications in medium/small meeting.Features:>1.2.4GHZ universal ISM frequency band meets CC, CE, ROHS, FCC, stand> Smart power..