-
Dab tsi yog RF ringer?Dab tsi yog lub xov tooj cua zaus cais tawm?
Dab tsi yog RF ringer?RF circulator yog ib ceg kis tau tus mob nrog cov yam ntxwv tsis sib xws.Lub ferrite RF circulator yog tsim los ntawm Y-shaped center qauv, raws li qhia hauv daim duab.Nws yog tsim los ntawm peb ceg kab symmetrically faib ntawm ib ...Nyeem ntxiv