The KAT178400 from Konnect RF is a RF Variable Attenuator with Frequency 1.4 to 2.8 GHz, Attenuation Range 50 dB, Power 0.63 W (28 dBm), Insertion Loss 1.1 dB, Control Voltage 0 to 10 V. Tags: Module with Connectors, Voltage Controlled. More details for KAT178400 can be seen below.