The AV262D-40N/F from Narda-ATM is a RF Variable Attenuator with Frequency 850 MHz to 2.5 GHz, Attenuation Range 40 dB, Power 15 W, Insertion Loss 0.5 dB. Tags: Module with Connectors, Continuously Variable, Rotary. More details for AV262D-40N/F can be seen below.