The X-Band is most often used for radar applications as it has a short wavelength which allows for higher resolution imaging for target identification and discrimination. … Editorial Team – everything RF. Frequency Letter BandC-BandFrequency Range8 to 12 GHzWavelength2.5 cm to 3.75 cmX Band – Microwave Frequency Band – everything RF www.everythingrf.com › community › x-band