The KTS-F from Shanghai Huaxiang Computer Communication Engineering is a Fixed Attenuator with Frequency 100 MHz to 1 GHz, Attenuation 10 to 40 dB, Power 1 W, Peak Power 0.5 kW, Weight A : 40 g, B : 60 g. Tags: Module with Connectors. More details for KTS-F can be seen below.