| B11 | 6 MHz SAW filter option for ETX |
| B12 | 7 MHz SAW filter option for ETX |
| B13 | 8 MHz SAW filter option for ETX-T |
| B2 | MPEG2 realtime analysis no decoder output option for ETX |
| B3 | MPEG2 realtime analysis with decoder output option for ETX |
| DCV | Documentation of ETX calibration values |