RFID sealing device for bottle

A bottle sealing device, comprising:

• a radio frequency identification (RFID) strap mounted on a bottle, the strap having a top metal, a bottom metal, and a chip coupled between the top metal and the bottom metal, the RFID strap providing a radio frequency source and the top metal and bottom metal being physically isolated and electrically isolated with the chip between the top and bottom metals;
• a metal cap, covering an opening on a top of a bottleneck of the bottle to seal the bottleneck and electrically coupled with the top metal, wherein the metal cap serves as a ground and provides a ground potential to the RFID strap, and the ground potential of the RFID strap is only provided by the metal cap without additional grounded element;
• and
• a metal strip having a first end and a second end, wherein the first end is electrically coupled to the bottom metal and the second end is an open-ended stub.

A bottle sealing device, comprising:

• a radio frequency identification (RFID) strap mounted on a bottle, the strap having a top metal, a bottom metal, and a chip coupled between the top metal and the bottom metal, the RFID strap providing a radio frequency source and the top metal and bottom metal being electrically isolated with the chip between the top and bottom metals;
• a metal cap, configured on a top of a bottleneck of the bottle to seal the bottleneck and electrically coupled with the top metal, wherein the metal cap serves as a ground;
• and
• a metal strip having a first end and a second end, wherein the first end is electrically coupled to the bottom metal and the second end is an open-ended stub.