Patent ID: 11916299
Assignee: JRD COMMUNICATION (SHENZHEN) LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. The antenna apparatus as claimed in claim 2, wherein the first switch has:
a first switching state being a turn-off state;
a second switching state, in which the first switch is grounded in parallel with a first preset value inductor;
a third switching state, in which the first switch is grounded in parallel with a second preset value inductor;
a fourth switching state, in which the first switch is grounded in parallel with a third preset value inductor;
a fifth switching state, in which the first switch is grounded in parallel with a fourth preset value inductor; and, a sixth switching state, in which the first switch is grounded in parallel with a fifth preset value inductor.