User's Manual

Attention: The ThinkPad X41 Tablet Series computer contains an authentication mechanism
If
you install an unauthorized wireless LAN Mini-PCI Card or RF CDC module that is not approved for
use in the ThinkPad X41 Tablet Series computer, the computer will not start, but only displays an error
message and emits beeps.
III) RF safety compliance
The antennas used for wireless LAN adapters in this notebook computer are located at the upper edge
of the LCD screen, and the antenna used for Bluetooth card (Model: J07M067) is located at the left side
lower edge of the LCD screen. The total radiated energy from those antennas connected to one of the
wireless LAN Mini-PCI adapters and Bluetooth card (Model: J07M067) conforms to the FCC limit of SAR
(Specific Absorption Rate) requirement regarding CFR Part 2 section 1093. The maximum SAR values
measured for the ThinkPad X41 Tablet Series computer are 0.697W/Kg for model AR5BMB-44,
0.884W/Kg for model WM3B2915ABG, and 1.01W/Kg for model WM3B2200BG. (The limit is 1.6W/Kg.)
USA — Federal Communications Commission (FCC) 7