Correct

宽频带

/ kuān píndài / 
Strokes

Example

As a Noun

wideband; broadband

1
Kuānpín
宽频
dài
带
xìndào
信道

wide-band channel

2
Kuānpín
宽频
dài
带
lǜbōqì
滤波器

wide-band filter

3
Kuānpín
宽频
dài
带
diànlǎn
电缆

wide-band cable