Anticipated Impact of Hand-Hold Position on the Electromagnetic Interaction of Different Antenna Types/Positions and a Human in Cellular Communications

Figure 5

The three-dimensional far-field radiation patterns of the handset model-A1 in free space, in hand1 close to SAM and in hand1 close to HR-EFH at 900, 1800, and 2025 MHz.

(a) Model-A1 in free-space, 900 MHz

(b) Model-A1 in free-space, 1800 MHz

(c) Model-A1 in free-space, 2025 MHz

(d) Model-A1 in hand1 close to SAM, cheek-position, 900 MHz

(e) Model-A1 in hand1 close to SAM, cheek-position, 1800 MHz

(f) Model-A1 in hand1 close to SAM, cheek-position, 2025 MHz

(g) Model-A1 in hand1 close to HR-EFH, cheek-position, 900 MHz

(h) Model-A1 in hand1 close to HR-EFH, cheek-position, 1800 MHz

(i) Model-A1 in hand1 close to HR-EFH, cheek-position, 2025 MHz