1.The digital attenuator can adjust the signal level of the circuit in 0.25dB steps without interrupting the circuit. 2.It can be used as an in-machine attenuator of the instrument to adjust the power level in the test system. 3.It has the characteristics of small size, high precision, stability and reliability. 4.The attenuation is displayed by OLED, and the attenuation can be controlled by the host computer. 5.CNC attenuator host computer control software. Working frequency: LF-6GHz Attenuation adjustment range: 0-31.75dB Attenuation step: 0.25 (dB) Insertion loss: less than equal 1.5dB (insertion loss at high frequency end be larger) Standing wave ratio: less than equal 1.4 Attenuation accuracy: ±0.25dB Max Rated power: less than equal1W Connector type: SMA (female, external screw inner hole) Temperature range: -10℃-+50℃ (operating); -40℃-+70℃ (not operating) Input and output impedance: 50 ohms Due to different batches, there may be differences in product appearance and printed text, which not affect use Colour:Black Material:plastic Package Contents: 1 x Amplifier 1 x TYPE-C cable Only the above package content, other products are not included. Note: Light reflection 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.