Yealink W90DM DECT base station White

Frequency range (EU): 1880 - 1900 MHz | Frequency range (US): 1920 - 1930 MHz | Mute function: Yes | Phonebook capacity (per handset): 100 entries | Over the Air Updates (OTA): Yes | Emergency call: Yes | Number of bases supported (max): 60 | Dual-Tone Multi-Frequency (DTMF): Yes | Message Waiting Indication (MWI) function: Yes | User access level: Yes | System log export: Yes | Reset function: Yes | Wireless synchronization: Yes | Phonebook search/import/export function: Yes | Number of carrier frequencies: 2 | Shared Call Appearance (SCA): Yes | Number of WB calls per base supported (max): 8 | Auto-provision: Yes | Keypad lock: Yes | Quick start guide: Yes | Output voltage: 5 V | Weight: 2.8 kg | Package depth: 203 mm | Operating temperature (T-T): 0 - 40 °C | Maximum indoor range: 50 m | Number of simultaneous calls (max): 100 | Wall mountable: Yes | Package width: 158 mm | Redialing: Yes | Number of VoIP accounts: 250 | Dimensions (WxDxH): 134 x 100 x 28 mm | XML browser: Yes | Ethernet LAN (RJ-45) ports: 1 | Product colour: White | Call waiting: Yes | Package height: 63 mm | IPUI registration: Yes | Power over Ethernet (PoE): Yes | Input voltage: 100 - 240 V | Harmonized System (HS) code: 85177900 | Number of handsets supported (max): 250 | Speed dialling: Yes | Management protocols: TFTP/FTP/HTTP/HTTPS/RPS | Anonymous call rejection: Yes | Conference call: Yes | Call hold: Yes | Number of NB calls per base supported (max): 8 | Ethernet LAN: Yes | Security algorithms: SRTP | Maximum outdoor range: 300 m | Security algorithms: AES | Security algorithms: HTTPS | Hearing aid compatibility: Yes | Security algorithms: TLS | Call transfer: Yes | Security algorithms: SHA-384 | Security algorithms: SHA-512 | Call forwarding: Yes | Ethernet LAN data rate supported (max): 100 Mbit/s | Integrated voicemail: Yes | Call history: Yes | LED indicators: Yes | Operating relative humidity (H-H): 10 - 95% | Do not disturb function: Yes | Output current: 1.2 A | Number of parallel conferences: 3 | Number of simultaneous calls per handset: 2 | Anonymous call: Yes | Supported network protocols: SIP v1 (RFC2543), v2 (RFC3261), SNTP/NTP, VLAN (802.1Q and 802.1P), 802.1x, LLDP, STUN, UDP/TCP/TLS | Caller ID: Yes | Package weight: 3.4 kg | Full duplex: Yes | Switching between calls: Yes | Remote phonebook: Yes