U904 is not only a modem or a router, it is a real UFI, just like HUAWEI E3131.
You can use it in cars via standard usb port, and outside with powerbank via standard usb port.
When you use it on your laptop, it is a modem on your laptop and others can share the wifi at the same time, that is real UFI functions. just plug and play, no need to set up, install driver, nor switch the modes.
1. This is not only 3G USB Modem! This is USB Wi-Fi Modem Router.
2. Wireless access is available on both 3G network and Wi-Fi networks.
3. Internet connection sharing, up to 8 users can access the Wi-Fi network at the same time.
4. Work with external power supply, no limited working time.
5. Users experience the ultra-speed internet with amazing low power dissipation.
6. Able to connect with Tablet ,Laptop, notebook and different types of WI-FI devices
7. One-touch connection
8. Friendly user interface
9. Convenient, portable, fashion.
Connectivity: 3G and Wi-Fi
Wifi Transmission rate:150mbps
Chipset: Qualcom MSM7227, Broadcom wifi platform,
Download Up to 7.2Mbps,Upload Up to 5.76Mbps
Support 8 Wi-Fi devices simultaneously
Form: USB 2.0 high speed
Frequency: HSPA+/HSPA/UMTS 2100MHz.
QoS & Security Features: Supported
WLAN: 802.11 b/g/n
Micro SD slot: 32GB supported
wireless multimedia file sharing
Dual separate antenna work: support one is 3g dongle antenna ,Another is router antenna ,two antenna not influence each other to work.