GSMGSM (Global System for Mobile communication) is a digital mobile telephony system that is widely used in Europe and other parts of the world. GSM uses a variation of time division multiple access (TDMA) and is the most widely used of the three digital wireless telephony technologies (TDMA, GSM, and CDMA). GSM digitizes and compresses data, then sends it down a channel with two other streams of user data, each in its own time slot. It operates at either the 900 MHz or 1800 MHz frequency band.
GSM, GPRS, EDGE, 3G, HSDPA, HSUPA
USBShort for Universal Serial Bus, an external bus standard that supports data transfer rates of 12 Mbps. A single USB port can be used to connect up to 127 peripheral devices, such as mice, modems, and keyboards. USB also supports Plug-and-Play installation and hot plugging.
Other characteristics ZTE TE W130
Powered via USB:
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Internal memory of 100 MB, SD card slot
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Type: CDMA; Supported Standards: CDMA, EV-DO Rev A; Placement: external; Interface: USB; Power over USB: Yes; Dimensions (WxHxD): 36 x 80 x 13 mm; Weight: 40 g;...
ZTE ZXDSL 831CII
Type: ADSL; Support ADSL2 +: Yes; Placement: external; Interface: Ethernet 10/100 Base-T; Built-in switch: Yes; The number of switch ports: 4 x Ethernet 10/100 Base-T; Web-interface: Yes; Support for ...