英国尚无4G网络，4G网比3G网数据传输速度更快，等到明年夏天苹果新机发布时网络或许可以就位。
In Britain, there is still no 4G network - offering far faster data transmission than the current 3G network - but there may be networks in place by the time Apple's handset launches next summer.
您学习了对于数据传输什么时候选择obex比rfcomm更合适。
You learned when it is best to choose OBEX over RFCOMM for data transfer.
特别需要指出的是，无线数据传输，现在比任何时候都做得好。
Wireless data connections, in particular, seem to be getting better all the time.
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