4Connect the appropriate antenna cables to the WLAN card you are installing:

If the WLAN card has two triangles on the label (white and black), connect the white antenna cable to the connector labeled "main" (white triangle), and connect the black antenna cable to the connector labeled "aux" (black triangle).

If the WLAN card has three triangles on the label (white, black, and gray), connect the white antenna cable to the white triangle, connect the black antenna cable to the black triangle, and connect the gray antenna cable to the gray triangle.

5Secure unused antenna cables in the protective mylar sleeve.

6Replace the cover and tighten the captive screws.

Removing a Mobile Broadband or WWAN Card

NOTE: WWAN is also available on an ExpressCard (see "Using ExpressCards" on page 73).

1Follow the procedures in "Before You Begin" on page 131.

2Turn the computer over.

3Loosen the captive screw on the cover of the Mini Card compartment and remove the cover.

Adding and Replacing Parts

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Dell M1530 owner manual Removing a Mobile Broadband or Wwan Card, 147