| B10 | External generator control |
| B12 | Output attenuator for tracking generator for FSU, FSQ |
| B18 | Removable Hard Disk (not retrofittable) |
| B19 | Second Hard Disk for FSU-B18 (for FSU-B18,variant 1303.0400.02) |
| B20 | Extended environment specification. Random vibr. 1.9G RMS, 0-55°C (not retrofittable) |
| B21 | LO/ZF connections for external mixers (for FSQ26, FSQ40,FSU26, FSU43, FSU46, FSU50) |
| B24 | Preamplifier 30dB, 100 kHz to 50GHz (for FSMR26/43/50, FSQ26/40, FSU26/43/46/50; |
| B25 | Electronic attenuator 0 to 30 dB, Preamplifier 20 dB, 10MHz - 3.6 GHz for FSU, FSQ |
| B27 | FM output, 10 MHz bandwidth |
| B4 | OCXO 10 MHz aging/year: 0.35*10E-7 for FSU, FSQ, FSMR |
| B5 | Output for low phase noise 640MHz reference signal for FSU3, FSU8, FSQ3 und FSQ8 |
| B73 | Vector signal analysis for FSU demodulation bandwidth 8 MHz (FSU), broadband demodulation hardware included |
| B9 | Tracking generator for FSU and FSQ, 100 kHz - 3.6 GHz |
| C3 | Three years of depot calibration coverage based on the R&S recommended calibration interval - includes test data. The first calibration is included with product delivery with 2 additional depot calibration(s). |
| C5 | Five years of calibration coverage based on the R&S recommended calibration interval - includes test data. The first calibration is included with product delivery with 4 additional depot calibration(s). |
| DCV-2 | Documentation of calibration values |
| DCV-ZP | Printout of DCV (additional, in combination with DCV-Option only) |
| FS-B33 | USB mass memory write protection, disables writing to USB memory sticks (ex factory only) |
| FS-K10 | GSM/EDGE/EDGE Evolution Measurement Appl (for FSG/FSQ/FSU) |
| FS-K110 | Analysis of TETRA II / TEDS signals (for FSQ, FSU with option FSU-B73) |
| FS-K15 | VOR/ILS measurements for FSMR |
| FS-K30 | Application firmware for noise figure and gain measurements for FSMR, FSP, FSQ, FSU |
| FS-K40 | Application firmware for phase noise measurements for FSMR, FSP, FSQ, FSU |
| FS-K5 | Application firmware GSM/EDGE tests for FSP, FSU, FSQ |
| FS-K5U | Upgrade of FS-K5 to FS-K10, GSM/EDGE/EDGE Evolution Measurement Appl (for FSG, FSQ, FSU) |
| FS-K7 | FM demodulator, allows measurement of FM specific parameters (for FMU, FSP, FSU) |
| FS-K72 | Application firmware 3GPP-FDD BTS transmitter test for FSMR, FSP, FSU, FSQ |
| FS-K73 | Application firmware 3GPP-FDD UE transmitter test for FSMR, FSP, FSU, FSQ |
| FS-K73+ | 3GPP HSPA+ UE transmitter test, application firmware (for FSMR, FSP, FSQ, FSU, FSUP, |
| FS-K74 | 3GPP HSDPA base station test application firmware for FSMR, FSU, FSP, FSQ |
| FS-K74+ | 3GPP HSPA plus, base station test. Application firmware (for FSP, FSQ, FSU, FSG; |
| FS-K76 | 3GPP TD-SCDMA base station test; application firmware for FSMR, FSP, FSQ, FSU |
| FS-K77 | 3GPP TD-SCDMA mobile station test; application firmware for FSMR, FSP, FSQ, FSU |
| FS-K8 | Application firmware for Bluetooth measurement on FSP, FSU and FSQ |
| FS-K82 | CDMA2000/1xEV-DV base station test application firmware for FSMR, FSP, FSU, FSQ |
| FS-K83 | CDMA2000/1xEV-DV mobile station application firmware for FSMR, FSP, FSQ, FSU |
| FS-K84 | 1xEV-DO base station test application firmware for FSMR, FSU, FSP, FSQ |
| FS-K85 | 1xEV-DO mobile station test application firmware for FSMR, FSP, FSQ, FSU |
| FS-K9 | Measurements with NRP power sensors NRP-Z11/Z21/Z22/Z23/Z24/Z51/Z55/Z91 requires NRP-Z3 or NRP-Z4 |
| FSP-B10 | External generator control for retrofit of FSP, FSU, FSQ, ESPI, ESCI |
| FSP-B28 | Trigger port for FSP,FSQ,FSU; for indication of trigger conditions |
| K40 | Phase noise measurement application |
| K7 | FM Demodulation |
| R3 | Three years of depot repair coverage, including re-calibration if necessary to complete the repair. First year of repair coverage is provided by the 12-month new product warranty. |
| R5 | Five years of depot repair coverage, including re-calibration if necessary to complete the repair. First year of repair coverage is provided by the 12-month new product warranty. |
| ZZA-411 | 19" adapter, 4 HU, 1/1 for BW2000 cabinets |
