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In the Ezhotspot V4, there is a built-in failover feature.

With the Ezhotspot V4, you can concurrently:

1. Connect a LAN cable from a ADSL/Cable/Fiber Modem to the WAN port of the V4
2. Wirelessly connect to to a remote wireless network
3. Connect a 3G/4G dongle to the USB port or tether a smartphone to the V4

all at the same time!

The priority is always given to the WAN ---> Wireless ---> USB manner.

For example, when you have both an existing wireless joined connection and a 3G/4G dongle connected, the priority is always given to the wireless connection. When you lose the wireless connection to the remote hotspot, the internet is automatically switched to the 3G/4G. When you have joined to a new remote wireless network, the internet again is reverted back to the remote wireless hotspot. This ensure that no 3G/4G data is unnecessarily used.