1、Stable Resistance: This RF fixed attenuator module possesses good uniformity, consistency and stable resistance. 2、Improve Impedance Matching: This RF fixed attenuator can improve impedance matching if some circuits require relatively stable load impedance. 3、Direct Read: In the comparative measurement circuit, the attenuation value of the measured networks can be read directly. 4、Good Electrical Properties: This RF fixed attenuator module provides good electrical properties and minimum temperature variation. 5、Premium Material: This RF fixed attenuator module is made from premium circuit board material which ensures long service life. Item Type: RF Fixed Attenuator Module Material: Circuit Board Operating Frequency: DC 4.0GHz Maximum Power: 23dBm (200mW) SWR: ≤1.20 System Impedance: 50Ω RF Interface: SMA Double Screw Head (Outer Screw and Inner Hole) Attenuation: Direct: 0dB (Reference) Level 1:10 + / - 0.8dB Level 2:20 + / - 1.1dB Level 3:30 + / - 1.5dB 1 x RF Fixed Attenuator Module