Dual-band magnetic antenna

A dual-band magnetic antenna, comprising:

• a first magnetic loop, comprising:
• a ground plane with a length L and a width W;
• a first vertical plane with a height h and the width W, a first end of the first vertical plane attached to an end of the ground plane, the first vertical plane perpendicular to the ground plane;
• a first horizontal plane with the length L and the width W, a first end of the first horizontal plane attached to a second end of the first vertical plane, the first horizontal plane parallel with the ground plane;
• a second vertical plane with a height h′ and the width W, where h′<h, a first end of the second vertical plane attached to a second end of the first horizontal plane and a second end of the second vertical plane located at a distance ts from the ground plane, where ts=h−h′, the second vertical plane parallel with the first vertical plane;
• a second horizontal plane with a length Ls and the width W, where Ls<L, a first end of the second horizontal plane attached to a second end of the second vertical plane and a second end of the second horizontal plane located at a distance th from the first vertical plane, where th=L−Ls, the second horizontal plane parallel with the ground plane, the second horizontal plane comprising a hole;
• a third horizontal plane with a length Lp and the width W, the third horizontal plane parallel with the ground plane, the third horizontal plane located at a distance tp from the second horizontal plane and a distance t9 from the ground plane, where t9=tp+ts, the third horizontal plane coupled with the ground plane via a feeding port through the hole;
• and
• a first lumped capacitor with a capacitance C1 connected between the ground plane and the third horizontal plane;
• and
• a second magnetic loop, comprising:
• a fourth horizontal plane with a length LI and the width W, a first end of the fourth horizontal plane attached to the second vertical plane and the second end of the fourth horizontal plane located at a distance ti from the first vertical plane, where ti=L−LI, the fourth horizontal plane parallel with the ground plane, the fourth horizontal plane located at a distance tl from the ground plane;
• a third vertical plane with a height hI and the width W, a first end of the third vertical plane attached to the second end of the fourth horizontal plane and a second end of the third vertical plane located at a distance tv from the ground plane, where tv<t1, the fourth horizontal plane parallel with the first vertical plane;
• and
• a second lumped capacitor with a capacitance C2 connected between the ground plane and the second end of the fourth horizontal plane.