Check the listing for details. ARRA 5 -6813 -30 variable attenuator .5dB flat 7.9-8.4 GHz, 30dB range. Condition: Used. Listed at 30.00 USD. Exact item shown, 0-30 dB variable attenuator, flat frequency response type. the following table shows the characteristics, it is from the Arra web site, I made the unit in this listing bold so it's easy to find.Miniature Continuously Variable Attenuators These units represent the most complete line of miniature continuously variable attenuators. Most models weigh 2 or 3 ounces and have been qualified for all types of military applications. Since attenuation is achieved in a non-contacting manner, these units provide the most in wear-free performance and high reliability. APPLICATIONS The standard forms are ideal for applications where attenuation can be set, then locked and left for long periods of time without movement. The panel-mount version is ideally suited for applications where front panel adjustment is required and monitored via output power. Turns-counting dials are ideally suited for panel mount applications where calibration or reference for resetting is required. The digital counter version performs the same task as the turns-counting dial but with greater resolution. Both T & D options can be calibrated by utilizing a calibration chart. Order CT or CD option. OPTIONAL FEATURES The standard attenuator packages, Forms 2191 and 3651, have non-translating 1/4" diameter shafts with lock nut. They achieve full attenuation in less than 20 turns. To maintain versatility this attenuator comes in 3 other packages. To specify these options, precede the model number with P for panel-mount version, T for turns-counting version, or D for digital counter version. When options are ordered, Standard Form 2191 changes to Form 4321 for panel-mount type, Form 4319 for turns-counting type or Form 0-3345 for digital counter type. Standard Form 3651 becomes Form 4322 for panel-mount type, Form 4320 for turns counting type or Form 0-3346 for digital counter type. FLAT WITH FREQUENCY MODELS Frequency Range (GHz) Attenuation Range (dB) Attenuation vs (Freq ±dB) VSWR (Max) Insertion Loss (Max dB) Form Factor Standard Model No. 2.5-3.0 20 1.0 1.5 0.5 3651 4813-20A 2.9-3.1 10 0.5 1.5 0.5 3651 4813-10A 20 0.5 1.5 0.5 3651 4813-20B 3.0-4.0 15 1.0 1.5 0.5 3651 4813-15A 3.7-4.2 20 1.0 1.5 0.5 3651 4-5813-20 4.0-8.0 10 1.0 1.5 0.5 3651 5813-10 20 1.5 1.5 0.5 3651 5813-20 5.4-5.9 20 0.5 1.5 0.5 3651 5813-20A 5.9-6.5 20 0.5 1.5 0.5 3651 5813-20B 7.2-7.8 30 0.5 1.5 0.5 3651 5813-30A 7.2-8.4 30 1.0 1.5 0.5 3651 5-6813-30A 7.9-8.4 30 0.5 1.5 0.5 3651 6813-30A 8.0-12.4 10 0.5 1.5 * 0.5 3651 6813-10 20 1.0 1.5 * 0.5 3651 6813-20 GENERAL SPECIFICATIONS RF Power: 5 Watts average, 3 kW peak Connectors: SMA Female standard Temperature Range: -55 ° C to +85° C Resettability: 0.1 dB or better Material: Body - Aluminum / Connectors - Stainless Steel I normally ship within 24 hours of your order, but the post office does not always initiate tracking when I put the packages in the drop off box. Check out my other items! Check out my other items!