With the Selection Mode set to Volume, hide the outer air, case, and inner air (if they are showing).
Hide the transceiver and the two chips on the board.
Set the Selection Mode to Surface from the Setup tab:
Select the three contact surfaces on the board
Open the Materials quick edit dialog in ONE of the following ways:
Material DB Name = My Materials
On the Material quick edit dialog, Type = Contact Resistance
Name = adhesive
Click Apply.