Question

What is the operating range of a pyramidal horn antenna?

(a) 1 – 6 GHz

(b) 1 – 5 GHz

(c) 300 MHz – 70 GHz

(d) 100 MHz – 35 GHz

I have been asked this question in unit test.

I'd like to ask this question from Antenna Tradeoffs in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio

Answer 1

Right choice is (c) 300 MHz – 70 GHz

For explanation I would say: The pyramidal horn antenna is an aperture type antenna operating in the range 300MHz – 70GHz. It is used in radar communication.