Lenovo ThinkPad X390 Yoga Hardware Maintenance Manual page 99

a
Wireless-WAN auxiliary antenna (blue)
b
Wireless-WAN main antenna (red)
Removal steps of the wireless antenna kit (for models with wireless-LAN only)
c
Wireless-LAN main antenna (gray)
d
Wireless-LAN auxiliary antenna (black)
.
Chapter 8 Removing or replacing a FRU
93