Feature: 1. PCB adopts 1.6mm thick double‑sided board, 1.5 oz copper thickness, and full tin spraying process to make sure good passing performance of large and small currents. 2. This product has a large area of heat dissipation, effective heat dissipation, and can run for a longer time. 3. The product is integrally formed without burrs, with smoothly surface and installation. 4. Convenient to use and with good performance, with small size, easy to carry and store. 5. The working frequency is LF‑6GHz, the attenuation adjustment range is 0‑31.75dB, and the attenuation step is 0.25 (dB). Specification: Item Type: Digital Programmable AttenuatorMaterial; PCB Working Frequency: LF-6GHz Attenuation Adjustment Range: 0-31.75dB Attenuation Step: 0.25 (dB) Insertion Loss: ≤1.5dB (the high-frequency end insertion loss will be larger) Standing Waving Ratio: ≤1.4 Attenuation Accuracy: ±0.25dB Maximum Rated Power: ≤1W Connector Form: SMA (female, male screw and female hole) Temperature Range: -10℃～+50℃(operating), -40℃～+70℃(not running) Input and Output Impedance: 50Ω. Package List: 1 x Digital Programmable Attenuator1 x USB Cable