... 2100 MHz * Device Type: WCDMA 3G+ CDMA 3G wireless router, support laptop, ipad, iphone, ipod touch, psp, tablet PC and other WIFI enabled devices.* Mode ... hours, stand by time : 100 hours Wireless connection* support max 5 WI-FI device and a directly USB connection* a partner ... send, receive; transfer from SIM/UIM card Picture show WCDMA 3G Portable Wireless WIFI Router with Built-in Li-ion Battery