 Nịchọrọ ka ọ bụrụ ntakịrị mkpali dịka o kwere mee mgbe ọ na-enweghị mkparịta ụka ọbụla, Bloch dabere na ngwá ọrụ RF ọgbara ọhụrụ ya, Wisycom MCR42S Dual Diversity Wideband UHF Mini Receiver System na MTP41S Wideband Bodypack transmitters. 