The RFAS8810 from RF-Lambda is a RF Variable Attenuator with Frequency 800 MHz to 3 GHz, Attenuation Range 0 to 110 dB, Attenuation Accuracy 0.5 to 2.5 dB, Power 1 W, Insertion Loss 16 dB. Tags: Rackmount, Programmable, Multi-Channel, System, USB Controlled, Computer Controlled. More details for RFAS8810 can be seen below.