Cordless DECT IP Multi-Cell System
The Yealink W90 DECT IP Multi-Cell System, consisting of two elements - a base station W90B and a DECT Manager W90DM, is designed to provide the organizations who require wireless coverage with the full ease of deployment. This DECT multi-cell system intends to create an extremely scalable and reliable solution for the organizations of any size and any shape. The system supports up to 250 handsets and 250 simultaneous calls, which ensures one call in each handset, and allows you to get rid of the limited wireless signal coverage of only one base station. Meanwhile, the system can work with Yealink W53H, W56H, W59R, CP930W, and DD Phone with seamless roaming and handover of the calls, making freely mobile communication in and between each zone achievable. Both W90B and W90DM join the modern, compact design with Yealink HD voice quality, which is wrapped with the full-duplex technology Opus, that setting free your ears and giving you an elaborate audio experience.

Seamless Stability
The Yealink W90 DECT IP Multi-Cell System brings seamless stability. The rotatable external antennas ensure further signal range, industry-leading coverage, and flexible steering for complex areas, which truly saves amount and cost of bases in deployment with industry-leading coverage. Moreover, the Lan Sync guarantees stable roaming even in poor signal transmission environment or strong signal interference like warehouses with overcrowded cargos or several iron gates.

Easy Deployment
The Yealink W90 DECT IP Multi-Cell System provides easier and faster setup for users: the DECT Deployment Toolkit for quick base location, IP discovery tool for quickly getting IP of DM, and auto sync level for self-organizing network without manual operation. Instead of complex steps, it takes less time from deployment to daily management for large system.

Wide Coverage
Available for 1DM, 60 bases, 250 handsets and 250 parallel calls, the Yealink W90 DECT IP Multi-Cell System is tailored for large space and multi-locations & bases, delivering unified communicating solution especially for warehouses, hospitals, hotels, supermarkets chains, cruises, authorized car dealerships, offices, retail formats, etc. Virtual machines and more bases will be supported in the future, boarding the coverage once more.

Full Scenarios
The Yealink W90 DECT IP Multi-Cell System supports various devices: W53H, W56H, W59R, CP930W, DD Phone, which definitely matches different employee roles and full scenes communicating demand from mobile, desk to conference with flexible scalability.

Multiple Phone Books
The Yealink W90 DECT IP Multi-Cell System offers easy access to multiple phone books, including Local Directory, Remote Phonebook, LDAP, and XML Phonebook. Additionally, it is broadly compatible with PBX contacts.

Specification

Product
Product id	825037
Brand	Yealink Network Technology
Partnr	W90DM
EAN/UPC code	6938818306202
Technical details
Wall mountable	Y
Performance
Number of handsets supported (max)	250
Number of carrier frequencies	2
Management protocols	TFTP/FTP/HTTP/HTTPS/RPS
Number of VoIP accounts	250
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	Y
Hearing aid compatibility	Y
Dual-Tone Multi-Frequency (DTMF)	Y
Over the Air Updates (OTA)	Y
Auto-provision	Y
User access level	Y
IPUI registration	Y
XML browser	Y
Keypad lock	Y
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
Conference call	Y
Number of parallel conferences	3
Phonebook capacity (per handset)	100 entries
Number of simultaneous calls (max)	100
Number of NB calls per base supported (max)	8
Number of WB calls per base supported (max)	8
Number of simultaneous calls per handset	2
Anonymous call	Y
Anonymous call rejection	Y
Call waiting	Y
Caller ID	Y
Call forwarding	Y
Remote phonebook	Y
Call transfer	Y
Call hold	Y
Do not disturb function	Y
Mute function	Y
Switching between calls	Y
Speed dialling	Y
Integrated voicemail	Y
Redialing	Y
Message Waiting Indication (MWI) function	Y
Phonebook search/import/export function	Y
Call history	Y
Reset function	Y
Emergency call	Y
Shared Call Appearance (SCA)	Y
System log export	Y
Power
Input voltage	100 - 240 V
Power over Ethernet (PoE)	Y
Output voltage	5 V
Output current	1.2 A
Ports & interfaces
Ethernet LAN	Y
Ethernet LAN (RJ-45) ports	1
Ethernet LAN data rate supported (max)	100 Mbit/s
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 procent
Design
Product colour	White
Full duplex	Y
LED indicators	Y
Weight & dimensions
Dimensions (WxDxH)	134 x 100 x 28 mm
Weight	2800 g
Package width	158 mm
Package depth	203 mm
Package height	63 mm
Package weight	3400 g
Packaging content
Quick start guide	Y
Logistics data
Harmonized System (HS) code	85177900