Lenovo ThinkPad X220 Maintenance Manual page 107

When installing:
Place the antenna assembly as shown in the following figure.
a
Wireless WAN antenna, AUX (blue)
b
Wireless LAN antenna, AUX (black)
c
Wireless LAN antenna, MAIN (gray)
d
Wireless WAN antenna, MAIN (red)
Attention: As you route the antenna cables, make sure that they are not subjected to any tension. Tension
could cause the cables to be damaged by the cable guides, or a wire to be broken.
a b c d
.
Chapter 8 Removing and replacing a FRU
101