Features Flexible Usage Options: Supports both parallel and serial port modes for versatile integration in various applications High Bandwidth Range: Operates efficiently from 9KHz to 4GHz, ensuring reliable performance across a wide frequency spectrum Minimal Signal Loss: Features low insertion loss to maintain clarity and quality of signal reception for optimal performance Programmable Gain Control: Offers a 0 to 31.75dB attenuation range with 0.25dB steps, allowing for precise signal management Simplified Installation Process: Comes with 3 connecting lines included, making setup quick and hassle-free for users Features: 1、Flexible Usage: The attenuator module supports both parallel port and serial port mode functions. 2、High Bandwidth: From 9KHz to 4GHz, the high bandwidth enables reliable working and extensive use. 3、Efficient Work: Low insertion loss will reduce signal loss to ensures a clearer signal reception. 4、Better Control: Has 0 to 31.75DB programmable gain attenuation range, and 0.25DB step for control. 5、Easy to Install: 3pcs connecting line are included in the set, making it much simpler to install. Specification: Item Type: Attenuator Module Material: PCB Model: PE43703 Power Supply Voltage: 5V DC (typical current value 5mA). Programmable Gain Attenuation Range: 0 to 31.75DB step 0.25DB. Input and Output Impedance: 50 ohms. Insertion Loss: 2dB Maximum Input Power: +23dB. Bandwidth: 9KHz to 4GHz (the attenuation value is different under different frequencies, please refer to the S21 curve index for details). Package List: 1 x Attenuator Module 3 x Connecting Cable Note: Don't overload. Package List 1 x Attenuator Module 3 x Connecting Cable