User ManualTable of ContentsIntroduction1General Description1Features21.2.1 WCDMA21.2.2 E-GPRS21.2.3 Baseband Functionality21.2.4 Software Functionality3M280 HALF PCI-Express Mini Card Interface41.3.1 Pin Description41.3.2 Installation Instructions5Network LED indicate device6USB Interface7USIM Interface7Antenna Guidelines and RF Connection81.7.1 Antenna specifications81.7.2 Antenna connector8Device Driver Interface10AT Command Set Reference11Packing Information16Size: 378 KBPages: 21Language: EnglishOpen manual