The GC2510 from Teledyne Microwave Solutions is a RF Variable Attenuator with Frequency 10 MHz to 2.5 GHz, Attenuation Range 28 to 52 dB, Power 0.1 W, P1dB 20 dBm, Insertion Loss 2.0 to 3.5 dB. Tags: Surface Mount, Module with Connectors, Voltage Controlled. More details for GC2510 can be seen below.