QAM modulation is widely used in cableandwireless transmission.
QAM调制方式广泛应用于有线和无线传输领域。
2
In between two transmission of information must have a transmission channel, according to the different transmission media, cableandwireless data communications data communications breakdown.
要在两地间传输信息必须有传输信道，根据传输媒体的不同，有有线数据通信与无线数据通信之分。
3
Motorola Mobility, best known as a maker of wireless phones, cable modems and cable TV boxes, was spun off in January from its parent company.