The A0P-83N-0BX from G.T. Microwave, Inc. is a RF Variable Attenuator with Frequency 16 to 32 GHz, Attenuation Range 32 dB, Attenuation Step 0.125 dB, Power 1 W, P1dB 15 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for A0P-83N-0BX can be seen below.