Antenna device for mobile terminal and mobile terminal

1. An antenna device for a mobile terminal, comprising a slot, defined in a shell of the mobile terminal, wherein the slot separates the shell into a first part and a second part, and the first part is configured to couple with a mainboard via a feeding point to form a slot antenna;

a connecting assembly, connecting the first part with the second part;

a first capacitor, coupling the first part with the feeding point; and

a match circuit, coupling the first part with the feeding point, wherein the match circuit comprises:

a second capacitor;

a first inductor connected with the second capacitor.

2. The antenna device of claim 1 , wherein the slot antenna covers a frequency in a range of at least one of 2.4 to 2.48 GHz and 5.1 to 5.85 GHz to form a WIFI communication antenna and the slot antenna is adjusted to cover the frequency in a range of 1.5 to 1.6 GHz by the match circuit to form a GPS antenna.

3. The antenna device of claim 1 , wherein the slot has a C-shape or a U-shape.

4. The antenna device of claim 1 , wherein the slot comprises:

a straight line section comprising a first end and a second end opposite to the first end;

a first bent section connected with the first end of the straight line section; and

a second bent section connected with the second end of the straight line section.

5. The antenna device of claim 1 , wherein the connecting assembly is a metal connecting sheet.

6. The antenna device of claim 5 , wherein the connecting assembly is connected with the first part and the second part by means of laser welding.

7. The antenna device of claim 5 , wherein number of the connecting assemblies is 1 to 4.

8. The antenna device of claim 1 , wherein the slot is filled with an insulator.

9. The antenna device of claim 8 , wherein the insulator is a plastic material.

10. A mobile terminal, comprising:

a shell,

a mainboard, and

an antenna device comprising:

a slot provided in the shell of the mobile terminal, wherein the slot divides the shell into a first part and a second part, and the first part is coupled to the mainboard via a feeding point to form a slot antenna;

a connecting assembly connecting the first part to the second part;

a first capacitor connected between the first part and the feeding point; and

a match circuit connected between the first part and the feeding point, wherein the match circuit comprises:

a second capacitor;

a first inductor connected with the second capacitor.

11. The mobile terminal of claim 10 , wherein the slot antenna covers a frequency in a range of at least one of 2.4 to 2.48 GHz and 5.1 to 5.85 GHz to form a WIFI communication antenna and the slot antenna is adjusted to cover the frequency in a range of 1.5 to 1.6 GHz by the match circuit to form a GPS antenna.

12. The mobile terminal of claim 10 , wherein the slot has a C-shape or a U-shape.

13. The mobile terminal of claim 10 , wherein the slot comprises:

a straight line section comprising a first end and a second end opposite to the first end;

a first bent section extending from the first end of the straight line section; and

a second bent section extending from the second end of the straight line section.

14. The mobile terminal of claim 13 , further comprising a camera assembly, wherein the feeding point is disposed between the camera assembly and the first bent section.

15. The mobile terminal of claim 14 , wherein the antenna device further comprises a spring assembly, wherein the camera assembly is connected with the connecting assembly by the spring assembly.

16. The mobile terminal of claim 10 , wherein the connecting assembly is a metal connecting sheet.

17. The mobile terminal of claim 16 , wherein the connecting assembly is connected with the first part and the second part by means of laser welding.

18. The mobile terminal of claim 16 , wherein number of the connecting assemblies is 1 to 4.