Feature: 1. This module is one‑piece molding without burr, come with smooth surface and simple installation 2. RF fixed attenuator possess light weight, one‑handed operation reduces operator fatigue 3. Printed circuit board use 1.6mm thick double‑sided board, possess reliability, good maintenance and interchangeability 4. Full tinning process can guarantee good passing performance of large and small currents 5. Working frequency is DC-4.0GHz, maximum power is 23dBm (200mW), energy saving 6. Standing wave ratio is less than 1.20, system impedance is 50Ω, radio frequency interface adopts SMA double female(outer screw and inner hole) Specification: Item Type: RF Fixed Attenuator Module Material: PCB Working Frequency: DC-4.0GHz Maximum Power: 23dBm (200mW) Standing Wave Ratio: ≤1.20 System Impedance: 50Ω RF Interface: SMA double female (male screw and inner hole) Attenuation Value: Through: 0dB (reference) Level 1: 10±0.8dB Level 2: 20±1.1dB Level 3: 30±1.5dB Board Thickness: Approx. 1.6mm / 0.1in. Package List: 1 x RF Fixed Attenuator Module Note: Do not use over frequency.