One of the exciting products from Huawei is the E5830. This is a GSM modem into one as a wi-fi router that supports almost all GSM service signals such as 3G, GPRS, EDGE and HSUPA, HSDPA and HSUPA.
This modem is equipped with a battery that can be used anywhere, without having to be connected to an electrical outlet. Of course, resistance becomes a problem if the battery should always outdor internet access. But according to many people between 3-4 hours, good enough for emergency Internet connections.
Huawei E5830 Specifications:
Networks : GSM 3G, HSUPA, HSDPA, UMTSBand : Quadband GSM, GPRS, EDGE,
Main feature: Wi-Fi transmitter, Wi-fi 802.11 b/g
Speed : Upto 5.76 Mbps at HSUPA and Up to 7.2 Mbps at HSDPA
Driver : Windows XP, Vista, Linux, Mac
with autoinstall plug and play
WIth battery u to 3-4 hours
Charging while connect with USB data cable