System and method for a shared millimeter wave antenna system co-located at a speaker grill

A C-cover and D-cover assembly for an information handling system comprising:

• a speaker grill formed in the C-cover, the speaker grill covering a speaker to emit audio waves, the speaker grill comprising:
• a millimeter wave antenna element coupled to a back side of the speaker grill;
• and
• a plurality of speaker grill openings having a mesh pattern that is transparent to millimeter wave frequencies.

An information handling system to transmit a communication signal comprising:

• a processor, memory, and wireless adapter in a base chassis;
• a wireless interface adapter including a tunable front end to, upon execution of computer code at a processor, initiate communication with a network;
• a metal C-cover of the base chassis to house a speaker grill, the speaker grill covering a speaker to emit audio waves;
• the speaker grill formed within the C-cover, the speaker grill comprising:
• a slot formed around a portion of a perimeter of the speaker grill that physically separates the portion of the speaker grill from the C-cover;
• a plurality of speaker grill openings in the speaker grill with a mesh pattern that is transparent to millimeter wave frequencies;
• a millimeter wave antenna element coupled to a back side of the speaker grill;
• and
• a sub-6 GHz antenna element co-molded around a perimeter of the speaker grill.