The HS-XXdB 500W from Hsinlink Co., Ltd. is a Fixed Attenuator with Frequency DC to 3 GHz, Attenuation 1 dB, 3 dB, 5 dB, 6 dB, 10 dB, 15 dB, 20 dB, 30 dB, 40 dB, 50 dB, 60 dB, Power 500 W, Attenuation Accuracy ±1 to 2 dB, Operating Temperature -55 to 125 Degree C. Tags: Connectorized. More details for HS-XXdB 500W can be seen below.