LG L21 Basic Manual page 34

2.4■GHz■Frequency■Band■Precautions
The frequencies used by the Bluetooth
LAN function of this product are in the 2.4 GHz band. In
this frequency band, other similar wireless stations, in-plant
wireless stations for mobile unit identification that require
a license for use, such as factory production lines, specific
small power wireless stations that do not require licenses,
amateur wireless stations (collectively called "other wireless
stations" from here on) are operated in addition to home
electrical appliances such as microwave ovens, devices for
industrial, scientific and medical devices.
1. Before using the product, make sure that "other wireless stations"
are not in operation nearby.
2. In the event that instances of radio wave interference have
occurred between this product and "other wireless stations",
immediately either relocate this product or stop operation of the
device (stop emission of radio waves).
3. If you are unclear on any points or are troubled by anything, contact
an au shop or Customer Service Center.
Bluetooth and wireless LAN functions of this product use
®
frequencies in the 2.4 GHz band.
• Bluetooth ® function: 2.4FH1
This product uses the 2.4 GHz band. FH-SS is used as the
modulation scheme. The interference distance is about 10 m
or less.
• Wireless LAN function: 2.4DS/OF4
This product uses the 2.4 GHz band. DS-SS and OFDM are
used as the modulation schemes. The interference distance
is about 40 m or less.
• Bandwidth to use: Full band
This means that full band can be used, and that bands of
mobile unit identification devices can be avoided.
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• Available channels differ depending on the country.
• For use in airplane, check with the airline company in advance.
® and/or wireless
5■GHz■Frequency■Band■Precautions
Wireless LAN function of this product uses 5 GHz band.
Using 5.2 GHz band and 5.3 GHz band outdoors is
prohibited by the Radio Law.
The channels used on the product are as follows.
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)