The SAT27B05XX18G-A from Sainty-Tech Communications Limited is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 1 to 9 dB, 10 dB, 20 dB, 30 dB, 40 dB, 50 dB, Power 5 W, Peak Power 0.5 kW, Weight A:80gB:65gC:65g. Tags: Module with Connectors. More details for SAT27B05XX18G-A can be seen below.