| Features | EXTNUM |
| Description | Expansion module for receiving signals from a compatible smoke detector |
| Product type | Alarm system module |
| Wireless zones | 16 |
| Receiver radio frequency | 433 MHz |
| Data bus protocol | KRBUS |
| Zone loop (detector) type | Wireless |
| Maximum wiring distance to CP | 300 m |
| Power supply | 9 - 14 V |
| Current consumption | ≤15 mA |
| Compatibility with detectors | 205 |
| Overall dimensions W x H x L in mm | 78 x 50 x 19 |
| Environmental compliance | ROHS |
| Operating temperature | From -10oC to +50oC |
| Production status | In production |
| Interface with PC (programming, firmware update) | USB micro-B |
| Latest firmware version |  Download |
| Wiring manual |
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EXTNUM
Modulo di espansione per ricevere segnali da un rilevatore di fumo compatibile.
