Features: * Made of high-quality materials, sturdy and practical * RA-1728A high frequency attenuator /2/3/6/10/20dB/8 sections 82dB 250MHZ * 0 - 82DB variable/step attenuator 50 OHM suitable for amateur radio transmitters . Specification: Part name: High frequency attenuator material: metal Size: standard Color: as shown in the picture Attenuation range/step: 0 to 82dB, 1dB step Insertion loss: <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 Package Contents: 1x Attenuator (0 - 82DB)