USB2.0 interface 16 PCI Port modem USB Interface,GPS/GPRS Modem Pool,SupportSMS,MMS,WAP,FAX,AT command Warranty 1 years Product ... Description 1. Competitive price, Professional service2. 100% good quality factory ... 3-5 days16 PCI Port modem USB Interface,GPS/GPRS Modem Pool,Support SMS,MMS,WAP,GPRS,FAX,Voic,AT command,TCP/IP ...