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

Yealink W90DM. Management-Protokolle: TFTP/FTP/HTTP/HTTPS/RPS, Unterstützte Netzwerkprotokolle: SIP v1 (RFC2543), v2 (RFC3261), SNTP/NTP, VLAN (802.1Q and 802.1P), 802.1x, LLDP, STUN, UDP/TCP/TLS, Unterstützte Sicherheitsalgorithmen: AES, HTTPS, SHA-384, SHA-512, SRTP, TLS. Telefonbuchkapazität (pro Mobilteil): 100 Eintragungen. Frequenzbereich (EU): 1880 - 1900 MHz, Frequenzbereich (US): 1920 - 1930 MHz, Maximum Innenabstand: 50 m. Unterstützte Ethernet-LAN-Datenrate (max.): 100 Mbit/s. Produktfarbe: Weiß