Power: 10WImpedance: 50 ohmStanding wave ratio: less than or equal to 1.20The temperature features: - 55 Celsius to + 125 CelsiusThis attenuator is designed and produced with advanced technology such as thin-film technology, laser-resistance control technology and medium-high power dissipation technology, which fully meets the application requirements of mobile communication systems such as CDMA and WCDMA.Attenuation value: 40dBModel Number: SMAFrequency range: DC - 4.0ghzcolour:BlackMaterial:plasticsize:59.5mm x 30mmPackage Contents:1 x RF attenuatorOnly the above package content, other products are not included.Note: Light shooting 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.