Internal adder, for connecting satellite signal (twin LNB) with terrestrial TV in two independent lines.
| Model | SSC-2 |
| Number of SAT inputs | 2 |
| Number of TV inputs | 1 |
| TV frequency range | 47-862 MHZ |
| SAT frequency range | 950-2250 MHz |
| TV pass-through attenuation | 5 dB |
| SAT through attenuation | 2 dB |