The Keysight 8494A, dc to 4 GHz manual step attenuator, offers exceptional repeatability and reliability. Attenuation is provided in 1 dB steps from 0 to 11 Rohde & Schwarz User Manual for the R&S®RSC Step Attenuator, including instrument variants and external attenuators. MAT series; Manual Step Attenuator; Features : * 1 dB/step * High Precision * Excellent Return Loss * Long Life : 20,000 switch cycles(min) The Keysight 8496A dc to 4 GHz manual step attenuator offers exceptional repeatability and reliability. Attenuation is provided in 10 dB steps from 0 to 110