Optional Spectralink Butterfly tube
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| Equipment: | Additional handset |
| Description: | Additional DECT handset dec |
| Display: | Color tube, 8 lines |
| Built-in phone book: | Yes, 50 rooms |
| Format: | AAA |
| Other functions and features: | Keypad lock against accidental pressing, vibrating alert, microphone mute |
| Operating frequency: | 1880-1900 MHz |
| Dialed number memory: | 10 |
| Number of ringtones: | 10 |
| DECT standard: | There is |
| Handset time talk / standby: | 15 / 150 h |
| Tube weight: | 105 g |
| Tube dimensions HxWxT: | 150x50x20 mm |
| SMS short message service: | There is |