Patent ID: 11876293
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. A communication system comprising:
a radio frequency (RF) module circuit;
radio frequency front-end (RFFE) circuitry coupled to the RF module circuit; and
an antenna array coupled to the RFFE circuitry, the antenna array comprising a circuit board and a plurality of identical antenna modules electrically and physically coupled to the circuit board, wherein the plurality of identical antenna modules includes a first antenna module, wherein the first antenna module comprises:
a plurality of antenna elements located in a first plane that is separated from a ground plane by a first distance;
a conductive wall structure electrically isolating each of the plurality of antenna elements, the conductive wall structure comprising a portion separating a first antenna element and a second antenna element of the plurality of antenna elements, the portion comprising a slot antenna; and
an RF feed point located at the slot antenna.