... voice cards, slot type is PCI-E socket, line PCI-E 2.2 standards. It is mainly used in ... the access of wireless (GSM ), PSTN, Phone. 2,Supports GSM, CDMA two kinds of wireless communication standard. ... centre.Hardware and software requirements: 1, Interface: PCI 2.2 2, CPU 800+MHZ 3, RAM 128+MB 4, ... checked and packaged in good condition before dispatch.2. Warranty: 1 year3. Once you leave positive ...