2.RF Products‎ > ‎Prog. Att. 50 OHM‎ > ‎1 Channel Type.‎ > ‎6 GHz Type‎ > ‎

EPA-603B 101.5dB (RU) RS232&USB

6GHz
3CH
101.5dB
step 0.5dB

RF in out (backside)
RS232
USB
AC110 or 220V