A matsayin na'urar hydrophone ta vector mai amfani da fasahar 2D, Frankstar VS22 yana amfani da na'urar magnetoelectric velocimeter don gano sigina. Ya dace da amfani da shi a cikin gano sauti, tsarin tsarin sauti na ƙarƙashin ruwa da kuma dandamalin da aka ja a ƙarƙashin ruwa.