| Power requirement | (+Vpwr) = 10 - 14Vdc @ 100 mA |
| Battery Back-up input (Vbb) | 7.5V < Vbb < Vpwr |
| Digital signals:SPI Port | 0 - 5V |
| Analog signals:Audio inputs | 0 - 4 Vp-p |
| Audio output (normalized) | 4 Vp-p |
| Board dimensions | 5.5" x 11.5" |
| Power requirement | (+Vpwr) = 10 - 14Vdc @ 100 mA |
| Battery Back-up input (Vbb) | 7.5V < Vbb < Vpwr |
| Digital signals:SPI Port | 0 - 5V |
| Analog signals:Audio inputs | 0 - 4 Vp-p |
| Audio output (normalized) | 4 Vp-p |
| Board dimensions | 5.5" x 11.5" |