1. Before using the device, confirm that
premises radio stations for identifying
mobile units, specified low power radio
stations and amateur radio stations are
not being operated nearby.
2. If the device causes harmful radio
interference to premises radio stations
for identifying mobile units, immediately
change the frequency band or stop use,
and contact "General Inquiries" on the
back cover of this manual for crosstalk
avoidance, etc. (e.g. partition setup).
3. If the device causes radio interference
to specified low power radio stations or
amateur radio stations, contact "General
Inquiries" on the back cover of this
manual.
■ Cautions on using 5GHz devices
The cell phone can use 3 frequency bands of 5.2
GHz band (W52), 5.3 GHz band (W53), 5.6 GHz
band (W56).5.7 GHz band (W57),
• W52 (5.2 GHz band / 36, 40, 44, 48 ch)
• W53 (5.3 GHz band / 52, 56, 60, 64 ch)
• W56 (5.6 GHz band / 100, 104, 108, 112, 116,
120, 124, 128, 132, 136, 140 ch)
Use of 5.2/5.3 GHz bands (W52/W53)
outside is prohibited by the Radio Law.
However, this does not apply to
communication with the base stations or
land mobile relay stations of high-output data
communications systems operating in the
5.2 GHz band (W52).
Notes about FeliCa and NFC
Reader/Writer
■ The FeliCa and NFC reader/writer, P2P
function for this cell phone handle delicate
signals that require no radio station license.
■ The 13.56 MHz frequency band is used. If
there is another reader/writer, P2P function
near this cell phone, keep enough distance
between this cell phone and the reader/
writer.
Also, make sure that there is no radio
station using the same frequency band
nearby.
■ For use in an aircraft, contact the airline
company beforehand. In some countries, use
may be restricted. Confirm regulations etc.
for the country/area before using.
31
Contents/Precautions
• W57 (5.7 GHz band / 144,149,153,157,161,165 ch)
