Quantic PMI Model PVVAN-3G3D4G-45-CD-SFF is a Voltage Controlled Attenuator that operates over the frequency range 3 to 4 GHz, with 45 dB of attenuation using 0 to 10 V as control voltage. Package size is 3.1" x 2.3" x 0.8" with SMA female connectors.