Lenovo ThinkPad R14 Gen 2 Hardware Maintenance Manual page 103

Removal steps of the Wireless LAN antennas assembly (E14 Gen 2/R14 Gen 2)
Release the wireless LAN antennas assembly from the tabs as shown.
Remove the wireless LAN antennas assembly from the LCD rear cover assembly.
Antenna locations
a
Wireless LAN auxiliary antenna (black)
b
Wireless LAN main antenna (gray)
Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause
the cables to be damaged by the cable guides, or a wire to be broken.
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Chapter 8 Removing or replacing a FRU
97