| B1 | OCXO reference oscillator, aging : 2*10E-7/year |
| B13 | SIGNALLING UNIT FOR CELLULAR RADIO |
| B2 | OCXO reference oscillator aging: 1*10E-7/year |
| B20 | DC METER, CCIT FILTER, DTMF & CENTRONICS |
| B22 | 10 MHz ref. Frequency input/output |
| B27 | CDCSS DECODER |
| B28 | MPT (SOFTWARE FOR CR-RADIO) |
| B31 | Additional RF in/output |
| B32 | 100 W RF power meter |
| B33 | 300 Hz low-pass filter for CMS-B5(models 06,10,12) and CMS-B55 |
| B34 | 13 dBm output (additional BNC output) |
| B5 | Control interface with CCITT filter, DTMF decoder and Centronics interface |
| B53 | CELLULAR RADIO SIMULATOR |
| B54 | IEC/IEEE BUS INTERFACE |
| B55 | Centronics interface CCITT filter and DTMF decoder, instead of CMS-B5 |
| B60 | Protection for input 2 with replaceable fuse (for new CMS52/54/57 only) |
| B9 | STD OPTION (MANDATORY w/B53) |
| 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) |
| DKD | CMS DKD (ISO17025) calibration incl. ISO 9000 calibration (order only with device) |
| 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. |
| Z2 | Accessory: Memory card, 128 KB |
| Z37 | Accessory for CMS: Adapter for VSWR sensors NAS-Z1/-Z3/-Z5/-Z6 and -Z7 |
| Z40 | Accessory for CMS: Carrier bag |
| Z7 | Accessory: Battery connector for external DC power supply |
