Antenna Measurement Ranges
(IEEE Std 149-2021)

Antenna

Frequency Antenna Size in Wavelengths (λ)
Far-field Range Near-field Range Compact Range
200 MHz <2λ >2λ Not ideal
500 MHz <2λ >2λ Not ideal
1 GHz <5λ >5λ >5λ
2 GHz <5λ >10λ >10λ
≥ 4 GHz <10λ >10λ >10λ
Example of Facilities NSI-MI Far-field Range
Courtesy of NSI-MI Technologies ATAM Antenna Test and Research Laboratory TAI Space Systems Assembly, Integratıon and Test Center