Sony VGN TXN27CN - VAIO - Core Solo 1.33 GHz Safety Information Manual page 6

The following cautions apply to the models which support the IEEE 802.11a (5 GHz) standard.
Only use Wireless LAN indoors when using it with IEEE 802.11a (5 GHz).
High power radars are allocated as primary users (meaning they have priority) of 5250-5350 MHz and 5650-
5850 MHz and these radars could cause interference and/or damage to this device.
This device uses 5 GHz band for wireless LAN communication and the maximum gain of the antenna in this
device is 1.79 dBi.
Wireless LAN Security
Creating security settings for the Wireless LAN is extremely important. Sony assumes no responsibility for any
security problems that may arise from the use of the Wireless LAN.
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Licensed by QUALCOMM Incorporated under one or more of the following
Patents:
4,901,307 5,490,165
5,506,865 5,109,390
5,267,261 5,544,196
5,600,754 5,414,796
5,710,784 5,778,338
5,056,109 5,504,773
5,511,073 5,228,054
5,267,262 5,568,483
5,657,420 5,416,797
5,101,501
5,535,239
5,337,338
5,659,569