The 2321014OP from Astra Microwave Products Limited is a RF Variable Attenuator with Frequency 500 MHz to 4 GHz, Attenuation Range 31.5 dB, Attenuation Step 0.5 dB, Attenuation Accuracy ± 0.4 dB, Power 0.25 W. Tags: IC, Programmable, Digital. More details for 2321014OP can be seen below.