new and high quality Made of high-quality materials, sturdy and practical RA-1728A high frequency attenuator 1/2/3/6/10/20dB/8 sections 82dB 250MHZ 0 - 82DB variable/step attenuator 50 OHM suitable for amateur radio transmitters etc. Part name: High frequency attenuator Attenuation range/step: 0 to 82dB, 1dB step Insertion loss: Less than 0.5dB Impedance: 50 ohms Power: 0.25W Connection: M/PL259 female 8 step range: 20dB / -20dB / -20dB / -10dB / -6dB / -3dB / -2dB / -1dB Frequency: DC to 250MHZ Colour:As Shown Material:iron Package 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.