... 0.2 dB; ≤ ± 0.3 dB; ≤ ± 0.5 dBImpedance: 75ΩOperating frequency: 0 ~ 550MHz; 550 ~ 1000MHzFlatness: ≤ ± 0.2 dB; ≤ ± ... products and sales CATV High-frequency Attenuator , CATV High Frequency Fixed Attenuator, CATV Frequency variable Attenuator, CATV Mini- ... variable Attenuator, CATV Discharge,High-frequency Fixed Attenuators, High-frequency variable Attenuator,Miniature variable Attenuator, Fixed ...