这种服务采用了高级电视系统委员会(atsc)的广播系统直接向手机发射信号。
Instead, the service USES an ATSC broadcasting system to beam signals directly from the station to the mobile devices themselves.
由于受到了价格竞争和缺乏高级手机的打击，摩托罗拉已将其网络设备部门与电视机顶盒部门合并。其电视机顶盒部门的销售对象是服务提供商。
Hurt by price competition and a lack of advanced phones, Motorola has combined its network equipment business with its television set-top box business into a division that sells to service providers.
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