| B1 | Side carry handles |
| B10 | External Generator Control |
| B11 | YIG preselector bypass |
| B114 | Enhanced computing power |
| B20 | Hard drive removable |
| B200 | 200 MHz analysis bandwidth |
| B24 | RF preamplifier for FSV3013 |
| B24 | RF preamplifier for FSV3004 and FSV3007 |
| B24 | RF preamplifier for FSV3030 |
| B25 | Electronic attenuator, 1 dB steps |
| B28V | Noise source control via BNC |
| B3 | Audio Demodulator |
| B33 | USB Mass memory write protection |
| B4 | OCXO frequency reference |
| B40 | 40 MHz analysis bandwidth |
| B5 | Additional Interfaces |
| B6 | 10 Gbit/s LAN interface (requires R&S FSV3-B114) |
| K10 | GSM/EDGE/EDGE evolution/VAMOS measurements |
| K18 | Amplifier measurements |
| K18D | Direct DPD measurements (R&SFSV3-K18 option required) |
| K30 | Noise figure and gain measurements |
| K40 | Phase noise measurements |
| K544 | User defined frequency correction by SnP file |
| K6 | Pulse measurements |
| K7 | Analog modulation analysis for AM/FM |
| K70 | Vector signal analysis |
| K703 | 1 GHz reference |
| K70M | Multi-modulation analysis (R&SFSV3-K70 option required) |
| K70P | BER PRBS measurements (R&SFSV3-K70 option required) |
| K72 | 3GPP FDD (WCDMA) BS measurements (incl. HSDPA and HSDPA+) |
| K73 | 3GPP FDD (WCDMA) MS measurements (incl. HSUPA and HSUPA+) |
| K91 | WLAN 802.11 a/b/g measurements |
| K91AC | WLAN 802.11ac measurements (R&SFSV3-K91 option required) |
| K91AX | WLAN 802.11ax measurements (R&SFSV3-K91 option required) |
| K91N | WLAN 802.11n measurements (R&SFSV3-K91 option required) |