10 Introduction
devolo dLAN 550+ WiFi
which is also known as a "radio cell", is impeded by
building walls. In some cases, stable connections are
often only possible between WiFi devices within a sin-
gle room.
Since it is not possible to rely on hardware such as net-
work cables (in a LAN) or household wiring (in a dLAN)
to control access to a WiFi network, wireless network-
ing naturally presents special security challenges. WiFi
networks therefore use a number of security measures,
such as a concealed network name (SSID - Service Set
Identifier), data encryption and access control via the
MAC addresses of the devices (clients).
2.2.1 Wi-Fi or WLAN?
Wi-Fi is an invented brand name of the Wi-Fi Alliance,
a consortium that certifies devices with wireless inter-
faces. In many countries, Wi-Fi is also used synony-
mously with WLAN, which if taken strictly, is incorrect,
because Wi-Fi designates the wireless standard and
WLAN the wireless network.
2.3 What exactly is range +?
Range + is a technology for devolo dLAN products.
Unlike conventional Powerline technology, range+
Technology uses all three lines (neutral, earth wire,
phase) of the electrical circuit, making use of the full
physical potential. Thanks to patented signal coupling,
data transmission over the mains supply is optimised.
This results not only in a more stable Internet connec-
tion that is less sensitive to interference, but also in-
creased range.
2.4 What does WiFi Clone mean?
WiFi Clone is a technology for devolo WiFi products
that makes it extremely easy to integrate new devices
into an existing WiFi network. For this purpose, just
plug the corresponding adapter into an available elec-
trical socket and press the encryption button (for older
models, the WPS button). The devolo WiFi devices now
automatically exchange their WiFi credentials with the
existing WiFi router and synchronise SSIDs, keys and
any configured settings, such as parental control and
time control settings.
2.5 What is WiFi Move Technology?
WiFi Move Technology is a function for devolo WiFi
products that expands and optimises the existing WiFi
network. If multiple devolo WiFi devices are used,
these act as access points that connect via Powerline.
The devolo WiFi products automatically connect to the
access point with the strongest signal. This creates a
fast and stable WiFi network throughout the home.
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