| B10 | Option OFDM demodulator for fitting into analog units (retrofittable by service) |
| B11 | 6 MHz SAW filter for digital EFA models or EFA-B10, EFA-B20 (retrofittable by service) |
| B12 | 7 MHz SAW filter for digital EFA models or EFA-B10, EFA-B20 retrofittable by service |
| B13 | 8 MHz SAW filter only for EFA 4x or EFA-B10 retrofittable by service |
| B13 | 8 MHz SAW filter for EFA 5X/6X/7X or EFA-B20 + EFA-K21/22/23, retrofittable by service |
| B14 | 2 MHz SAW filter for EFA5X/6X/7X or EFA-B20 + EFA-K21/22/23 retrofittable by service |
| B20 | Digital demodulator platform (mandatory: EFA-K2X, EFA-B1X SAW filter) |
| B3 | Selection for demodulator (versions 33/43/53/63/73/89/93) (retrofittable by service) |
| B4 | MPEG2 decoder (retrofittable by service) |
| B6 | Video distributor 4 video outputs (only versions 33/53/89/93) |
| DCV | Documentation of EFA calibration values |
| K1 | EFA scan for EFA versions 20,23,40,43, 60,63,70,73 |
| K21 | DVB-C/J.83/A/C (QAM) FW for versions 5X/7X or B20 (included in version 6X) |
| K22 | ATSC/8VSB FW for versions 6X/7X or B20 (included in version 5X) |
| K23 | J.83/B (QAM) FW for versions 5X/6X or B20 (included in version 7X) |
| K25 | Firmware for FIR coefficients readout only for EFA5X or EFA-B20 + EFA-K22 |