Connector, antenna and electronic device

An antenna, comprising:

• a mode-converting unit comprising:
• a substrate having at least one circuit;
• at least one waveguide tube configured to transceive a signal, wherein the signal is a millimeter-wave signal, and a section of an opening of the waveguide tube is related to a cut-off frequency of the waveguide tube;
• and
• at least one mode-converting structure, the circuit and the waveguide tube being electromagnetically coupled to each other through the mode-converting structure, the signal being transmitted from the waveguide tube to the circuit through the mode-converting structure, or transmitted from the circuit to the waveguide tube through the mode-converting structure and emitted outward;
• and
• a first connector body comprising:
• at least one dielectric base, and the waveguide tube constituting a shell of the first connector body and fixed to the dielectric base;
• and
• a pin set disposed on the dielectric base and configured to connect a second connector body.

An electronic device, comprising:

• an outer shell, an edge of the outer shell having an opening;
• a circuit board disposed in the outer shell and having a signal transceiver module;
• a first connector body disposed in the outer shell and aligned to the opening to become a connecting interface of the electronic device, wherein the first connector body comprises:
• at least one dielectric base;
• a shell, the shell and the dielectric base being fixed to each other;
• and
• a pin set disposed on the dielectric base, wherein a second connector body is a connecting interface of an external device and adapted to be plugged to the first connector body through the opening, and the pin set is configured to connect the second connector body;
• and
• a mode-converting unit comprising:
• a substrate fixed to the first connector body and having at least one circuit, wherein the substrate is a portion of the circuit board, and the circuit is connected to the signal transceiver module;
• and
• at least one mode-converting structure, the shell constituting at least one waveguide tube of the mode-converting unit and configured to transceive a signal, the circuit and the shell being coupled to each other through the mode-converting structure, and the signal being transmitted from the shell to the circuit through the mode-converting structure, or transmitted from the circuit to the shell through the mode-converting structure and emitted outward, wherein the signal is a millimeter-wave signal, and a section of an opening of the shell is related to a cut-off frequency of the shell.