The GC2534 from Teledyne Microwave Solutions is a RF Variable Attenuator with Frequency 500 MHz to 2 GHz, Attenuation Range 23.5 to 43 dB, Power 1 W, P1dB 30 dBm, Insertion Loss 2.3 to 3.0 dB. Tags: Surface Mount, Module with Connectors, Voltage Controlled. More details for GC2534 can be seen below.