Communications device with rhombus shaped-slot radiating antenna and related antenna device and method

An antenna device for a radio frequency (RF) device, the antenna device comprising:

• a conductive ground plane;
• a dielectric body carried by the conductive ground plane and comprising a dielectric support, and an outer dielectric skin carried by the dielectric support and having a plurality of vertically spaced rhombus shaped slots therein;
• a conductive layer covering at least outer portions of the outer dielectric skin to define a radiating antenna;
• and
• at least one coaxial cable coupling the RF device and the antenna, the at least one coaxial cable comprising an inner conductor and an outer conductor surrounding the inner conductor, the outer conductor coupled to the conductive ground plane and the inner conductor extending through the conductive ground plane and coupled to the conductive layer covering at least the outer surface portions of the dielectric skin.

An antenna device for a radio frequency (RF) device, the antenna device comprising:

• a conductive ground plane;
• a dielectric body carried by the conductive ground plane and comprising a dielectric support, and an outer dielectric skin carried by the dielectric support defining a helical slot therein;
• a conductive layer covering at least outer portions of the outer dielectric skin to define a helical slot radiating antenna;
• and
• at least one coaxial cable coupling the RF device and the antenna, the at least one coaxial cable comprising an inner conductor and an outer conductor surrounding the inner conductor, the outer conductor coupled to the conductive ground plane and the inner conductor extending through the conductive ground plane and coupled to the conductive layer covering at least the outer surface portions of the dielectric skin.

A method for making an antenna for a communications device, the method comprising:

• forming a conductive ground plane;
• forming a dielectric body carried by the conductive ground plane and comprising a dielectric support, and an outer dielectric skin carried by the dielectric support and having a plurality of vertically spaced rhombus shaped slots therein;
• forming a conductive layer covering at least outer portions of the outer dielectric skin to define a radiating antenna;
• and
• forming at least one coaxial cable coupling the RF device and the antenna, the at least one coaxial cable comprising an inner conductor and an outer conductor surrounding the inner conductor, the outer conductor coupled to the conductive ground plane and the inner conductor extending through the conductive ground plane and coupled to the conductive layer covering at least the outer surface portions of the dielectric skin.