Wi-Fi or DECT connections are subject to interference when a USB 3.0 device is connected
A USB 3.0 device connected to the FRITZ!Box interferes with Wi-Fi or DECT connections to the FRITZ!Box. This significantly reduces the range of the Wi-Fi or DECT connections.
1 USB 3.0 device is interfering with the Wi-Fi connection
USB 3.0 devices with insufficient shielding can interfere with the radio connections of devices located very close to the USB 3.0 device or its USB 3.0 cable. Normally, such interference occurs only rarely, and usually only during data transmission via USB and with poorly insulated USB 3.0 cables that act like antennas and amplify the radiation of the USB 3.0 device.
The range, data throughput, and quality of radio connections is reduced by the radiation from such USB 3.0 devices. This affects Wi-Fi connections in the 2.4 GHz frequency band, but does not affect the 5 GHz frequency band.
This effect applies to all wireless and DECT devices.
There are several ways to reduce the radiation affecting the FRITZ!Box. Start with the step that is easiest for you to implement:
- Increase the distance between the USB 3.0 device and the FRITZ!Box. If possible, do not connect the device directly to the FRITZ!Box; use a USB 3.0 extension cable instead.
- Change the position of the USB 3.0 device and its cable.
- Use a different USB 3.0 cable with better shielding.
- Change the USB mode to "Green Mode USB 2.0" under "Home Network > USB / Storage > USB Settings" in the FRITZ!Box user interface.
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