With Modem Function: Yes Function: Firewall Application: Mini Wifi Type: Wireless Function1: 4G dongle, 3g dognle, 4G modem, 4G usb modem, 4G wifi modem, 4G wifi dongle, car wifi router,4g wifi router,4g router with slot Frequency: UMTS/LTE-FDD Wired Transfer Rate: None WAN Ports: 1 x10/100Mbps Number of USB Interfaces: 1 x USB 2.0 Wi-Fi Supported Frequency: 2.4G 5G Wi-Fi Transmission Rate: None Supports WDS: No Max. LAN Data Rate: 100Mbps Standards And Protocols: Wi-Fi 802.11b/Wi-Fi 802.11n/ Wi-Fi 802.11g Wi-Fi Transmission Standard: 802.11b 2.4G Wi-Fi Transmission Rate: 150 Mbps Note: The network card supports all mobile phone cards in the B1 B3 band size:95 x 33 x 11MM Material:ABS colour:white Package Contents: 3 x network card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.