The GT-0218-64 from Cobham Signal & Control Solutions is a RF Variable Attenuator with Frequency 2 to 18 GHz, Attenuation Range 0 to 64 dB, Attenuation Accuracy ± 0.15 dB, Power 0.01 W, P1dB 10 dBm. Tags: Module with Connectors, Programmable, Digital. More details for GT-0218-64 can be seen below.