Rohde amp schwarz bandwidth upgrade 300mhz to 500mhz for hmo3000 series rohde amp schwarz 5800247702 the rohde amp schwarz hoo354 is a bandwidth upgrade voucher for the hmo3034 4 channel mixed signal oscilloscope the upgrade voucher hoo354 allows the 300mhz instrument to be upgraded to a bandwidth of 500mhzthe individual voucher number and the serial number of the instrument to be upgraded are entered at httpvoucherhamegcom the customer immediately receives the respective lice