The DN6.591 from Spectrum Instrumentation is a RF Digitizer with Sample Rate 5 MS/s, ADC Resolution 16 Bits, Frequency DC to 400 MHz, Voltage Range 200 mV, up to 10 V, Current 0.31 A, 0.37 A, 0.46 A, 0.54 A. More details for DN6.591 can be seen below.