The MSAT 21 from Mini-Systems is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 0 to 24 dB, Power 50 mW (Quartz), 250 mW (Al2O3), 2 W (BeO), Attenuation Accuracy ±0.1 to 0.2 dB, Height 0.015 Inch. Tags: Chip. More details for MSAT 21 can be seen below.