The digital attenuator can adjust the signal level of the circuit in 0.25dB steps without interrupting the circuit.It can also be used as an in-machine attenuator for instruments and equipment to adjust the power level in the test system.It has a small size. , high precision, stability and reliability.It uses OLED to display the attenuation, and the attenuation can be controlled by the host computer. Technical indicators:1. Working frequency: LF-6GHz2. Attenuation adjustment range: 0-31.75dB3. Attenuation step: 0.25 (dB)4. Insertion loss: 1.5dB (the insertion loss at the high-frequency end be larger)5. Standing wave ratio: 1.46. Attenuation accuracy: 0.25dB Max7. Rated power: 1W8. Connector form: SMA (female, external thread, internal hole)9. Temperature range: -10~+50 (operation)-40~+70(not operating)10. Overall dimensions: 55 x 40 x 16.5mm (excluding the protruding part of the SMA interface, the protruding part of the SMA is 9mm)11. Weight: 57g12. Input and output impedance: 50 ohmsDue to different batches, the appearance, color and printed words of the product , which not affect the use.Material: PCBcolour: green Package Contents:1 x Digital Attenuator 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.