形容詞 broadband:

1. of or relating to or being a communications network in which the bandwidth can be divided and shared by multiple simultaneous signals (as for voice or data or video)
2. responding to or operating at a wide band of frequencies
   同義詞：wideband

broad.band

adj.（形容詞）
Of, relating to, or having a wide band of electromagnetic frequencies:
寬波段的，寬頻帶的：屬于、關(guān)于或有電磁頻率寬頻帶的：
例句：
broadband communications.
寬頻帶通訊

【引伸】
broad.band.
n.（名詞）