Bộ kích sóng DECT Yealink W90DM• DECT technology• Air sync and LAN sync• Up to 60 base stations• Up to 250 handsets• Up to 250 SIP accounts• Up to 250 parallel calls• Support LDAP/Remote Phonebook/XML Phonebook/XSI Directory• Compatible with Yealink W56H/W53H/W59R/CP930W/T41S+DD10Kwithout PSU