Frequency Bands FrequencyFrequency RangeWave Length (1)J band5.85 to 8.20 GHz51.3 to 36.6 mmX band8.20 to 12.4 GHz36.6 to 24.2 mmK_u band12.4 to 18.0 GHz24.2 to 16.7 mmK band18.0 to 26.5 GHz16.7 to 11.3 mmFrequency Bands – Silicon Radar Wiki siliconradar.com › wiki › Frequency_Bands