Figure 2
From: Low-profile dual-band pixelated defected ground antenna for multistandard IoT devices

Initial antenna design, (a) top view-rectangular patch (b) ground plane with rectangular slot; blue area defines substrate.
From: Low-profile dual-band pixelated defected ground antenna for multistandard IoT devices

Initial antenna design, (a) top view-rectangular patch (b) ground plane with rectangular slot; blue area defines substrate.