Cisco SCH-7IN-TS-B/W Reference Manual page 11

Option 3: Wi-Fi Connection with AC
Place the touchscreen above a power source, for example, an outlet. Ensure that you have Wi-Fi in the
residence (see
Note •
•
Wireless Network Limitations
Many Wi-Fi Access Points handle Multicasts (Wi-Fi simultaneously sent to multiple devices, for
example, when the touchscreen broadcasts video to all stations) by slowing down transmission speed to
the 1 Mb basic rate. This can cause overall Wi-Fi congestion in the Wi-Fi network during the broadcast.
Video intercom response times and images may degrade at each device.
If a residence requires a large number of Wi-Fi devices, ensure that you have a robust Wi-Fi network
(possibly consisting of multiple access points).
Figure 9
OL-27263-01
Figure 9).
Video intercom. Although this device supports b/g/n, 802.11 b is not supported for video intercom
use.
Wireless-N is recommended for video intercom.
Wi-Fi - Requires AC Power and WAP
Cisco Smart+Connected 7" In-wall Display Reference Guide
Installation
11