Huawei E8231 Unlocked Mobile WiFi HSPA+ 21Mbps 3G WiFi Modem Router Wireless connectivity: 3G and Wi-Fi WLAN: IEEE 802.11b/g/n HSPA+/HSPA/UMTS 2100/900 Mhz EDGE/GPRS/GSM 1900/1800/900/850 Mhz