Features of the optical speakerphone
| lunghezza d’onda (nm) | 1310/1550 |
| Light source | FP-LD |
| Transmission distance (km) | 80 |
| Dynamic range (dB) | 40 |
| Potenza d’uscita (dBm) | -5~-7 |
| Modulation (Hz) | CW, 270Hz,1KHz, 2KHz |
| Stabilità di uscita (dB) | <=±0.05 |
| Autonomy (h) | 10 (continued conversation) |
| Diet | 3 x AA alkaline batteries or AC adapter |
| Connector | FC/PC |
| Dimensions and weight | mm 192x102x50, 0.4 kg |
The package includes:
- 2 communication devices
- pair of headphones with earphones
- AA alkaline batteries
- AC adapter
- transport bags




