IBM ThinkPad X30 Series User Manual page 10

v This device is restricted to indoor use due to its operation in the 5.15 to 5.25 GHz frequency range.
FCC requires this product to be used indoors for the frequency range 5.15 to 5.25 GHz to reduce the
potential for harmful interference to co-channel Mobile Satellite systems.
v High power radar are allocated as primary users of the 5.25 to 5.35 GHz and 5.65 to 5.85 GHz bands.
These radar stations can cause interference with and/or damage this device.
v An improper installation or unauthorized use may cause harmful interference to radio
communications. Also any tampering of the internal antenna will void the FCC certification and your
warranty. Refer to the "Appendix D. Notices, Electronic emission notices" of the ThinkPad X40 Series
Service and Troubleshooting Guide for more detail.
13