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

The Yealink W90 DECT IP multi-cell system consists of two elements - a base station W90B and a DECT manager W90DM. The DECT multi-cell system offers a scalable and reliable solution for businesses of all sizes and types. The system supports up to 250 handsets and 250 simultaneous calls, ensuring a call on each handset.
The system is tailored for large environments, multiple locations and bases.

Highlights

• Yealink SIP-W90DM DECT Manager
• System supports up to 250 handsets and 250 simultaneous calls
• Up to 60 base stations possible
• DECT / SRTP / TLS
• Access to cloud contacts / LDAP / XML / XSI
• Supports Auto-P
• HD Audio for crystal-clear conversations via DECT
• Wall mounting possible
• External antennas
• DECT radio coverage up to 50 m indoors and 300 m outdoors
• Compatible with Yealink W59R/W56H/W53H, CP930W and DD telephone

Product type

• DECT base station
• ear category (ElektroG): relevant, Category 6: small IT and telecommunications devices, small IT and telecommunications devices B2C

Basic properties

• Color: White
• Height: 134 mm
• Length/Depth: 34 mm
• Width: 100 mm

Scope of delivery

• Yealink SIP-W90DM DECT multi-cell system DECT manager