大家好,
想請問大家在電池拿開後可以看見一個畫著SIM卡的符號,並且似乎有個插槽,
請問這是內建像遠傳那種3.5G的插槽嗎?
還是作為其它利用阿?
ps: 當初我購買時,無限網卡有升級,不知是否相干?
謝謝!
請參考另一篇討論

AT&T Built-in Mobile Broadband (HSDPA 3.6) for Dell Inspiron 1420/ 1520/ 1521/ 1720/ 1721 / M1330/ M1730 / XPS M1730 Notebooks
Overview
The Dell Wireless 5520 Mobile Broadband PCI Express Mini Card from Dell™ is an embedded module that can be integrated into Dell notebooks for 3G mobile data applications. This module, powered by a Qualcomm MSM6280 diversity and equalizer chipset, offers high performance to the user. It operates globally on 850, 1900, and 2100 MHz bands on HSDPA and UMTS networks, providing mobile broadband download speeds up to 3.6 Mbps. It also supports quad-band on EDGE and GPRS networks. This module is designed to work on the AT&T network. This product has been tested and validated on Dell systems and is compatible with Dell Inspiron™ 1420/ 1520/ 1521/ 1720/ 1721 / XPS™ M1210/ M1330/ M1730 Notebooks. It is supported by Dell Technical Support when used with a Dell system
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