Features: brand new and high quality Power supply voltage: 5V DC (typical current value 5mA). Programmable gain reduction range: 0 to 31.75DB, step size 0.25DB. Insertion loss: 2dB. Maximum input power: +23dB. The module parallel port and serial port mode functions. Bandwidth: 9KHz-6GHz (different attenuation values at different frequencies, see S21 curve index for details). Input and output impedance: 50 ohms. Specifications: Insertion loss: 2dB Maximum input power: +23dB Colour: green Material: plastic Weight: 20g Size Chart: approx. 5x4.5cm/1.97x1.77inch Note: No retail package. Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1PC x RF Attenuator Module