Package RTA4004 digital oscilloscope 4 channels, 500 MHz, PK1 Bundle Contains serialized product+options: R and S RTA4004 digital oscilloscope 1335.7700K04 consisting of: - R and S RTA4004 oscilloscope 4channel 200 MHz - R and S RTA-B245 500 MHz Bandwidth upgrade - R and S RTA-PK1US Application Bundle