Rohde & Schwarz TS-FSWTPKGv20 FSWT26 Package including: - FSWT26 with preamplifier - Test Receiver 100 Hz to 26.5 GHz - FSWT-B23 RF Preamplifier - FSW-B4 OCXO precision freq. ref. - FSW-B10 External generator control - FSWT-B17 Digital Baseband Interf.