The Yealink DECT dongle DD10K not only enables T41S / T42S to work concurrently with Yealink DECT system as a handset after pairing with Yealink W60B DECT IP base station, but also enables T53 / T53W / T54W / T57W / T58A / VP59 to work as a base station, which can be registered with up to 4 compatible Yealink W52H/W56H/W53H handsets.