Patent ID: 11955705
Assignee: ALPHA NETWORKS INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A multi-input multi-output antenna system configured to be disposed in an electronic device and comprising:
a low-frequency antenna assembly comprising a first low-frequency antenna and a second low-frequency antenna spaced apart from the first low-frequency antenna by a first distance; and
a high-frequency antenna assembly having a higher working frequency band than the low-frequency antenna assembly, and comprising:
a first high-frequency antenna that is a low-profile dish antenna, located between the first low-frequency antenna and the second low-frequency antenna, and comprising:
a metal grounding plate configured to be fixed on a circuit board in the electronic device and having a cavity concavely formed on a top surface thereof, and
a metal disc corresponding in position to the cavity and having a signal feed-in terminal provided on a central area of the metal disc and not electrically connected to the metal grounding plate; and

a second high-frequency antenna spaced apart from the first high-frequency antenna by a second distance and located between the first low-frequency antenna and the second low-frequency antenna.