未分类 · 2025年11月21日

5G radio waves can’t carry data far. How to solve this problem?( )。 A.Small cellular towers B.lower band of radio frequencies C.Higher cellular towers D.higher band of radio frequencies

5G radio waves can’t carry data far. How to solve this problem?( )。 A.Small cellular towers B.lower band of radio frequencies C.Higher cellular towers D.higher band of radio frequencies

正确答案:A