By using dual-mode phones to transmit image and sound data, transmission speeds can be raised from current GPRS rates of 30 Kbits to 4 Mbits. Clearer images, faster downloads, portability, and lowered call costs are all among the advantages. It will be more convenient and economical when you can use a notebook computer to access a wireless local network, or simply use a 3G mobile phone to get online.
利用雙網手機進行影音資料傳輸時，傳輸速度將從現有的 GPRS 行動電話網路的 30Kbits 提升到 4Mbits，畫質更清晰、速度更快，再加上可以隨身攜帶、通訊費降低等優點，將可以比利用筆記型電腦連結無線區域網路或是只用 3G 手機系統上網更為方便、經濟。