Display resolution(Power Meters):0.0001dBm,0.01pW to 10pW(depending on power meter),up to 6.5digits(user definable), Compatibility:Agilent 8163B mainframe supports all HP 8153A Series and Agilent 8163A&B Series Module. Trigger:true synchronous on all channels.Max.100kHz for triggering and 1MHz (50% duty cycle) for external digital modulation. Power:AC100-240V+-10%,50/60Hz+-5%,120VAmax, Dimentions(88(H)-213(W)-380(L)mm,4.2kg, GP-IB