有效半径 meaning in English

effective radius
reach

Radio - frequency cables - part 3 : coaxial cables for digital communication in horizontal floor wiring - section 1 : detail specification for cables of 500 m reach and up to 10 mb s
射频电缆规范.第3部分:平面层布线数字通讯用同轴电缆.第1节:有效半径达到500 m ,速率不低于10 mb s时电缆的详细规范
10mb s radio - frequency cables - part 3 - 2 : coaxial cables for digital communication in horizontal floor wiring - detail specification for coaxial cables with solid dielectric for local area networks of 185 m reach and up to 10 mb s
射频电缆规范.第3部分:平面层布线数字通讯用同轴电缆.第2节:有效半径达到185m速率在10mb s
10mb s radio - frequency cables - part 3 - 3 : coaxial cables for digital communication in horizontal floor wiring - detail specification for coaxial cables with foamed dielectric for local area networks of 185 m reach and up to 10 mb s
射频电缆规范.第3部分:平面层布线数字通讯用同轴电缆.第3节:有效半径达到185m速率在10mb s