Bộ phát sóng DECT Yealink W90B• DECT technology• Seamless handover and roaming• Up to 8 WB (4 active handsets) calls per base• Up to 8 NB calls per base• External antennas• 50m indoor/300m outdoor• Compatible with Yealink W56H/W53H/W59R/CP930W/T41S+DD10Kwithout PS