Wireless gong to extend existing door intercom systems or bell buttons. Consists of a transmitter with a 25cm connection cable and a gong unit with a Euro plug for the socket. Transmitter activated by a potential-free button contact or by a 12V DC signal of at least 30mA. Gong unit with a 4-LED flashing light and optional gong tone (max. 85dB(A)/0.3 m). A total of 24 melodies, selectable for each transmitter. 4 adjustable volumes or silent signal only via flashing light. Radio range up to 200m (outdoors). Power supply: Transmitter: 1x 12V MN21 alkaline battery (included in delivery, only required for potential-free button activation) or 12V DC signal, gong unit: 230V, 50Hz. Housing dimensions: 34 x 88 x 20mm (transmitter), 80 x 87 x 28mm (gong unit, housing without plug). Set can be expanded with any number of additional gong units FD2G. Furthermore, up to a total of 8 transmitters (also bell buttons FD2K or motion detector FD2B) can be registered to a gong unit, but note the radio range.
| Property | Value |
| Nominal voltage: | 230 V |
| Housing color: | white |
| Material of the housing: | Plastic |
| Weight: | 0.13 |
| Weight unit: | KG |
| Mounting type: | Surface-mounted |
| Wireless: | yes |
| Power type: | AC |
| Volume: | 82 dB | Max. Range: | 200 m |
| Battery installed: | yes |
| Current consumption: | 0.001 - 0.002 A |
| Brief description: | Wireless bell extension SET for existing door intercom systems, bell button |
