卫星直通系统（Direct PC）的传输速度约 400 Kbps 。 高速数据专线的传输速有T1（1.544Mbps）、 T3（44.736Mbps）或STM-1（155.52 Mbps） 等。
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Google TV, Roku, XBox, BluRay, even direct PC connections make the jump technologically easy.
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NPR, CBS, Direct PC Internet and dozens of other services went down.
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It's a risky move for Dell , which pioneered the direct-sales PC business and has made the strategy its hallmark.
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