X201搭配9cell電池的重量及配的網卡類型

小弟在美國IBM網站上配了這樣的NB，但是想請問一下，搭配9cell電池的X201到底是多重？
還有網卡是用Intel Centrino Ultimate-N 6300 (3x3 AGN)，這是表示有三根天線的意思嗎？那有沒有包含3G模組呢？還有Integrated mobile broadband: Integrated Mobile Broadband - Upgradable這是什麼東西？
再請問thinkpad protection是類似dell的完美保固嗎？
感謝各位先進。

ThinkPad X201 - 1 Year Depot Warranty
Processor:
　　Intel Core i7-620M Processor (2.66GHz, 4MB L3, 1066MHz FSB)
Display type:
　　12.1" WXGA LED Panel, 3x3 UltraConnect II antenna; Wireless Broadband Upgradeable
Total memory:
　　4 GB PC3-8500 DDR3 SDRAM 1067MHz SODIMM Memory (1 DIMM)
Pointing Device:
　　TrackPoint with Fingerprint Reader and Touchpad
Hard Drive:
　　500 GB Hard Disk Drive, 7200rpm
Battery:
　　ThinkPad X200 Series 9 cell Li-Ion Battery
Bluetooth:
　　Bluetooth w/ antenna
Integrated WiFi wireless LAN adapters:
　　Intel Centrino Ultimate-N 6300 (3x3 AGN)
Integrated mobile broadband: Integrated Mobile Broadband - Upgradable

Accessories and options:
　　3Yr Priority Onsite + 3Yr ThinkPad Protection