Features: brand new and high quality This board is one‑piece molding without burr, possess smooth surface and simple installation Attenuator board possess light weight, one‑handed operation reduces operator fatigue Printed circuit board adopt 1.6mm thick double‑sided board, with reliability, good maintenance and interchangeability Full tinning process features large and small currents good passing performance Operating frequency for DC-600MHz, attenuator support -6dB, -40dB, input and output impedance is only 50ohms Specifications: Item Type: Attenuator Module Material: PCB NWT series scanner calibration device Frequency of use: DC-600MHz. Attenuator: -6dB -40dB Input and Output Impedance: 50 ohms Board Size: Approx.5cm/1.97in Package Includes: 1 x Attenuator Module note: Do not use over frequency. Note: Light shooting 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.