Hello,
enclosed a few measures with the RTA4004.
50 Ohm and 20 MHz or 200 MHz with 1mV/div or 100mV/div.
But RTA4004 has 10 div so it is 1.25mV/div or 125mV/div in comparison.
With 1.25mV/div the RTA4004 is similar. But with 125mV RTA4004 is far worse.
Best regards
egonotto