Check the listing for details. Texscan Variable Attenuator, DC - 2.00 GHz, 0-10 dB, RA-50.. Condition: Used. Listed at 39.95 USD. A Variable Attenuator manufactured by Texscan, model number RA-50, is on offer. The frequency range is DC to 2.00 GHz. Measurements were made with cared-for, but ultimately uncalibrated, hobby-grade equipment so interpret the data presented here accordingly. The unit has an F-SMA connector on each end. From the datasheet: DC - 2.0 GHz SWR < 1.5:1 Insertion Loss: < 0.5 dB Temperature Range: Operating: -20C to +125C Power Rating: 1W average @ 25C ambient This is a 50 Ohm device, tested in a 50 Ohm environment. It is used and in working condition, with signs of normal use and wear. The Texscan RA-50 unit, shown in the photos, is the only item included in this listing. The photos were taken on a 1 cm grid. I will combine multiple items together to reduce shipping costs and will mail one or two business days after receiving cleared payment. Questions are welcome. Thanks for stopping by!