WP401A Masu watsa matsi na masana'antu sun ɗauki ingantaccen ɓangaren firikwensin da aka shigo da shi, wanda aka haɗe tare da ƙaƙƙarfan ƙaƙƙarfan tsarin fasaha da keɓe fasahar diaphragm.
An ƙera mai watsa matsi don yin aiki da kyau a ƙarƙashin yanayi daban-daban.
Matsakaicin ramuwa na zafin jiki yana yin tushe na yumbura, wanda shine kyakkyawan fasaha na masu watsa matsa lamba.
Siginar fitarwa daban-daban 4-20mA (2-waya), mai ƙarfi anti-jamming, ya dace da watsa nesa mai nisa.