Unverified50% confidenceFactExact time
美国三大运营商5G频段差异显著：Verizon重度依赖毫米波，T-Mobile以2.5GHz中频段为核心，AT&T混合使用低频和中频
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Nothing Phone 4B发布：首款B系列手机，再次跳过美国市场
rss7/7/2026
Cite This Claim
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get_claim(id=488303)