... :Network Frequency: 2100 MHz 1900/1800/900(850)MHz 800/2100 MHz It build a perfect wireless lanit ... 800/2100 MHz * Device Type: WCDMA 3G+ CDMA 3G wireless router, support laptop, ipad, iphone, ipod touch, psp, ... 4~5 hours, stand by time : 100 hours Wireless connection* support max 5 WI-FI device and a ... /UIM card Picture show WCDMA 3G Portable Wireless WIFI Router with Built-in Li-ion Battery