Eto ipilẹ ti asopo coaxial RF pẹlu adaorin aarin (olubasọrọ aarin rere tabi odi), ohun elo dielectric ni ita adaorin inu (ohun elo insulating) ati olubasọrọ ita ti ita (ipa aabo, ie, ipilẹ ilẹ ti Circuit).Asopọ coaxial RF ati apejọ okun gbigbe coaxial ninu foonu smati lati mu ọpọlọpọ awọn ibudo module RF ati modaboudu laarin ipa ti gbigbe ifihan RF, ni afikun, awọn asopọ RF tun le ṣee lo lati fọ Circuit RF, ati nitorinaa yorisi si ifihan agbara RF ti ẹyọkan labẹ idanwo, lati ṣaṣeyọri idanwo ti Circuit RF.