WP401B masu watsa matsa lamba suna ɗaukar ɓangarorin firikwensin ci-gaban da aka shigo da su, wanda aka haɗa 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.Yana da duk daidaitattun siginar fitarwa 4-20mA, 0-5V, 1-5V, 0-10V, 4-20mA + HART, RS485.Wannan na'urar watsa matsi yana da ƙarfi anti-jamming kuma ya dace da aikace-aikacen watsawa mai nisa.