With Modem Function: Yes Wireless: Yes Wi-Fi Supported Frequency: 2.4G VPN: No Package: Yes Application: 3G/4G Standards And Protocols: Wi-Fi 802.11g,Wi-Fi 802.11b,Wi-Fi 802.11n Function: Firewall Number of USB Interfaces: 1 Model Number: TJ-Mifi7s/ TJ-Mifi8s Max. LAN Data Rate: 7.2Mbps/21.6Mbps Color: White Package: Yes Network: WCDMA/UMTS/HSDPA MicroSD Card: Support