| Battery | |
| Standby time | 166 h |
| Talk time | 21 h |
| Design | |
| Display diagonal | 6.1 cm (2.4") |
| Display resolution | 240 x 320 pixels |
| Display type | TFT |
| Product colour | Black |
| Logistics data | |
| Master (outer) case gross weight | 7.7 kg |
| Master (outer) case height | 473 mm |
| Master (outer) case length | 198 mm |
| Master (outer) case width | 443 mm |
| Products per master (outer) case | 20 pc(s) |
| Operational conditions | |
| Operating relative humidity (H-H) | 10 - 95% |
| Operating temperature (T-T) | -10 - 50 °C |
| Storage temperature (T-T) | -30 - 70 °C |
| Other features | |
| Charger | Yes |
| Packaging content | |
| Charging base | Yes |
| Safety warning | |
| Warnings | Store away from water and moisture. |
| Warnings | Follow instructions for correct installation and use. |
| Warnings | Do not open the appliance, risk of electric shock. |
| Technical details | |
| Brand compatibility | Yealink |
| Call waiting | Yes |
| Caller ID | Yes |
| Certification | CE, FCC, RoHS, REACH, ISO 9001 |
| Compatibility | W78P, W70B |
| Compliance certificates | REACH |
| Compliance certificates | RoHS |
| Compliance certificates | CE |
| Compliance certificates | Federal Communications Commission (FCC) |
| Input voltage | 100 - 240 V |
| Multi handset capability | 10 |
| Navigation key | Yes |
| Number of melodies | 9 |
| Phonebook capacity | 100 entries |
| Redialing | Yes |
| Short Message Service (SMS) | Yes |
| Speakerphone | Yes |
| Type | DECT telephone |
| Weight & dimensions | |
| Depth | 21 mm |
| Height | 151 mm |
| Package depth | 90 mm |
| Package height | 181 mm |
| Package width | 104 mm |
| Weight | 980 g |
| Width | 49.5 mm |
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