The DAT-15R5-SP from Mini Circuits is a RF Variable Attenuator with Frequency 0 to 4000 MHz, Attenuation Range 15.5 dB, Attenuation Step 0.5 dB, Power 158 W, Insertion Loss 1.3 to 4.7 dB. Tags: IC, Programmable, Digital. More details for DAT-15R5-SP can be seen below.