This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Describing a communications transmission rate between that of narrowband and broadband

adj. responding to or operating at a wide band of frequencies

"And VoIP conferencing service ZipDX, which supports HD (which it calls wideband) voice conferencing with Polycom phones, recently announced the integration of its service with snom klarVOICE phones as well."

high-impedance    waterflow    millimeter-wave    low-noise    baseband