SDW 3 BS is a base station for SDW 5000 wireless DECT Series with dual-connectivity to softphone/PC and mobile phone*. Certified for Skype for Business and optimized for UC.
Article No. 507044


The SDW 3 BS base station is a flexible communication hub that works with all SDW 5000 Series headsets and can pair up to 4 SDW 5000 headsets for conferencing.
For hot desking it is also possible to connect a wired Sennheiser headset, speakerphone or a Bluetooth® headset using the USB port on the side of the base station when the USB port is not used with a dongle for mobile connectivity. As an IT manager, you can upgrade from single to dual connectivity to handle flex-working via the BTD 800 dongle enabling connectivity to mobile devices.

*Mobile connectivity via BTD 800 USB dongle available as an accessory. The dongle can be added to any SDW 5000 variant.
Box contents: Base station, USB cable, power supply, audio phone cable , printed Base Station Quick Guide, printed safety guide, printed in-compliance leaflet.


  • Instruction Manual
    • SDW 5000 Series User Guide (8.7 MB) Download

  • EU Declaration of Conformity
    • EU Declaration of Conformity (870 KB) Download

  • Safety Guides
WARNING (for California residents only): This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects and other reproductive harm. For more information go to: