Made of high-quality materials, sturdy and practicalRA-1728A high frequency attenuator 1/2/3/6/10/20dB/8 sections 82dB 250MHZ0 - 82DB variable/step attenuator 50 OHM suitable for amateur radio transmitters etc.Part name: High frequency attenuatorAttenuation range/step: 0 to 82dB, 1dB stepInsertion loss: Less than 0.5dBImpedance: 50 ohmsPower: 0.25WConnection: M/PL259 female8 step range: 20dB / -20dB / -20dB / -10dB / -6dB / -3dB / -2dB / -1dBFrequency: DC to 250MHZColour:Material:ironPackage Contents:1 x Attenuator (0 - 82DB)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.