Sony XPERIA XZ2 Instruction Manual page 24

Frequency band
･
The frequency band used by the terminals
Bluetooth/wireless LAN function is written as
follows:
2.4 : This radio equipment uses the 2400 MHz
band.
Modulation scheme is the
FH/XX/DS/OF
：
FH-SS, other system, DS-SS,
or OFDM system.
4 : The estimated interference distance is 40
m or less.
8 : The estimated interference distance is 80
m or less.
: The full band between 2400 MHz
and 2483.5 MHz is used and the
band of the mobile identification
device can be avoided.
Available channels vary depending on the
country.
For use in an aircraft, contact the airline
beforehand.
Bluetooth cautions
･
The operating frequency band of the terminal is
used by industrial, scientific, consumer and
medical equipment including microwave ovens,
premises radio stations for identifying mobile
units used in the manufacturing lines of plants
(radio stations requiring a license), specified low
power radio stations (radio stations requiring no
license) and amateur radio stations (hereinafter
referred to as "another station").
- Before using this equipment, confirm that
"another station" is not being operated nearby.
- In the event of the terminal causing harmful
radio wave interference with "another station",
promptly change the operating frequency or
stop radio wave emission by turning off the
power, etc.
- If you have further questions, contact "General
Inquiries" on the last page.
Wireless LAN (WLAN) precautions
■
Wireless LAN (WLAN) exchanges
･
information using radio waves, and
allows you to freely establish LAN
connection if you are within an area
where radio waves reach. However,
without appropriate security settings,
communications may be intercepted or
hacked by malicious parties. It is
recommended to configure necessary
security settings on your own judgment
and responsibility.
Wireless LAN
･
Do not use wireless LAN near magnetic devices
such as electrical appliances or AV/OA devices, or
in radio waves.
- Magnetism or radio waves may increase noises
or disable communications (especially when
using a microwave oven).
- When used near TV, radio, etc., reception
interference may occur, or channels on the TV
screen may be disturbed.
- If there are multiple wireless LAN access points
nearby and the same channel is used, search
may not work correctly.
Contents/Precautions
22