The Yealink DD10K DECT dongle enables wireless communication and fast, reliable DECT connectivity without cable hassles. Enables SIP-T41S/T42S to work concurrently with the Yealink DECT system as a handset after pairing with Yealink W60B DECT IP base station, and also enables T53/T53W/T54W/T57W/T58A/VP59 to work as a base station . Compatible with CAT-iq 2.0 standards Reliable connectivity 1152 kb/s transmission rate Simple Plug and Play 2 internal QWL omnidirectional antennas Easy to use