| Services |  | 
| Number of handsets supported (max.) | 5 | 
| Maximum range | 400 m | 
| Eigenschaft | Power over Ethernet (PoE) | 
| Supported security algorithms | 256-bit AES, HTTPS, MD5, SRTP, SSL/TLS | 
| voice codec | AJB, AMR-WB, CNG, G.711alaw, G.711ulaw, G.722, G.722.2, G.723.1, G.726-32, G.729A, G.729B, OPUS, PLC, VAD, iLBC | 
| Compatible Products | Grandstream Networks DP730, DP722, DP720 | 
| Call-Management |  | 
| Number of parallel conferences | 3 | 
| connections and interfaces |  | 
| Number of Ethernet LAN ports (RJ-45) | 1 | 
| Design |  | 
| Product color | Schwarz | 
| energy |  | 
| operating conditions |  | 
| operating temperatur | -10 - 50 °C | 
| Storage temperature range | -20 - 60 °C | 
| Operating relative humidity | 10 - 90% | 
| weight and dimensions |  | 
| Dimensions (WxDxH) | 64,98 x 105 x 140,31 mm | 
| Weight | 140 g | 
| package weight | 370 g | 
| logistic data |  | 
| Goods tariff number (HS) | 85177900 |