Figure 2
From: A sub 1 GHz ultra miniaturized folded dipole patch antenna for biomedical applications

Proposed FDPA (a) top view dimensions, (b) bottom view dimensions, (c) return loss (\(S_{11}\)) of the proposed FDPA.
From: A sub 1 GHz ultra miniaturized folded dipole patch antenna for biomedical applications
Proposed FDPA (a) top view dimensions, (b) bottom view dimensions, (c) return loss (\(S_{11}\)) of the proposed FDPA.