The SAT18B10XX04 from Sainty-Tech Communications Limited is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 3 dB, 6 dB, 10 dB, 20 dB, 30 dB, 40 dB, Power 10 W, Peak Power 1 kW, Weight 15 to 20 Gram. Tags: Module with Connectors. More details for SAT18B10XX04 can be seen below.