The 1026 from Narda-ATM is a Fixed Attenuator with Frequency DC to 12.4 GHz, Attenuation 3, 6, 10, 20, 30dB, Power 10 W, Peak Power 500 W, Attenuation Accuracy ± 0.5 dB Max @ 3 Db - 6 dB to ± 0.7 dB Max @ 30 Db. Tags: Module with Connectors. More details for 1026 can be seen below.