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 Telecommunications   Mobisurf

The MobiSurf U 180 is a Wireless 3G USB Modem that support HSDPA technology capable of data transfer speed of up to 1.8Mbps down and 384kbps uplink. It is also backward compatible to UMTS/EDGE/GPRS networks.

The modem provides golobal wireless access to the internet and e-mails. MobiSurf is compatible with data services offered by Celcom, DiGi and Maxis.
The MobiSurf U180 is SierraWireless AirCard enabled. The heart of this USB modem contains the SierraWireless MC8755 minicard which utilizes the same technologies in the highly successful SierraWireless AirCard 850.

The U180 connects via a standard USB port on the PC and power is provided from the USB port, making the modem a truly portable solution. Demand is growing for USB connectivity where PCs are not supplied with PCMCIA card slots, such as with small size notebooks, some desktops or embedded applications.

Radio Frequency

UMTS WCDMA FDD in the 2100MHz GSM, GPRS, EDGE in the 850, 900, 1800, 1900MHz
84 x 55 x 10 (mm)
55 (g)
Storage: -40 ~ +85oC
Operating: -20 ~ +60oC
Power Requirements
5.0 VDC (through USB port)
Packet Mode Features
Tri Mode UMTS/EDGE/GPRS operation GPRS/EDGE class B, multislot class 10 operation supporting all coding schemes CS1 to CS4 and MSC1 to MSC9, UMTS WCDMA/HSDPA category 11/12 data rates of 1.8Mbps downlink and 384Kbps uplink, Circuit switched radio bearers with a maximum rate of 64Kbps uplink and 64Kbps downlink
Modem Chipset
Internal Antenna
H/W Interface
S/W Interface
AT command interface (27.007) Sierra Wireless proprietary Control and Status (CnS) host interface protocol
PC Supports
Windows 2000, Windows XP
USIM slot


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