Research Article

On the Feasibility of Unlicensed Communications in the TV White Space: Field Measurements in the UHF Band

Table 2

Characteristics of the antennas used for the measurements.

ModelPolarizationTypeFrequency range [MHz]TX-Gain range [dBi]RX-Gain range [dBi]

PCB WA5VJBVerticalPCB log periodic400–10000.2–4.20.06–2.5
Schaffner CBL6143VerticalX-Wing BiLog30–30006–86–8
Sirio SD 1300NVerticalDiscone25–13000–5.50–6
BAF-121XSA2AVerticalStub470–8700–20–2