... MHz 800/2100 MHz It build a perfect wireless lanit support multiple wifi device accesssupport 5 ... MHz * Device Type: WCDMA 3G+ CDMA 3G wireless router, support laptop, ipad, iphone, ipod touch, psp, tablet PC ... ~5 hours, stand by time : 100 hours Wireless connection* support max 5 WI-FI device and ... , send, receive; transfer from SIM/UIM card Picture show 3g Wireless Wifi Router With Sim Card Slot Mifi