Grandstream Networks GHP631 IP phone Black 2 lines LCD Wi-Fi

Operating temperature (T-T): 0 - 40 °C | AC adapter input voltage: 100 - 240 V | Display resolution: 480 x 320 pixels | Wi-Fi standards: 802.11a | Wi-Fi standards: 802.11b | Display: LCD | Number of handles included: 1 pc(s) | Operating relative humidity (H-H): 10 - 90% | AC adapter output current: 0.5 A | Speakerphone: Yes | Wi-Fi standards: 802.11g | Display diagonal: 8.89 cm (3.5") | Quality of Service (QoS) support: Yes | Wi-Fi standards: Wi-Fi 4 (802.11n) | AC adapter output voltage: 12 V | Wi-Fi standards: Wi-Fi 5 (802.11ac) | Ethernet LAN data rates: 10,100 Mbit/s | Storage relative humidity (H-H): -10 - 60% | Weight: 658 g | Product colour: Black | Voice codecs: AJB | Voice codecs: VAD | Voice codecs: AGC | Power over Ethernet (PoE): Yes | Voice codecs: G.726 | Voice codecs: PLC | Lines quantity: 2 lines | Voice codecs: G.722 | Keypad number of keys: 26 | Handset type: Wired handset | Voice codecs: G.729A | Voice codecs: G.729B | Bluetooth: No | Voice codecs: CNG | Touchscreen: No | Voice codecs: G.723 | Voice codecs: G.711u | Input frequency: 50/60 Hz | Voice commands: Yes | Width: 147 mm | Voice codecs: AEC | Caller ID: Yes | Height: 89.8 mm | USB Type-C ports quantity: 1 | Ethernet LAN interface type: Gigabit Ethernet | Wi-Fi: Yes | Package weight: 658 g | Product type: IP Phone | Ethernet LAN: Yes | Depth: 210 mm