The Jabra Link 400a UC DECT USB Adapter (14205-13) is a USB-A DECT dongle that connects Jabra Engage 55 wireless headsets to a PC softphone, providing the DECT-based wireless link for low-latency, reliable audio in dense office environments where Bluetooth interference is a concern. Certified for UC (non-Microsoft). The Telecom Spot Take DECT wireless is the preferred radio technology for contact center headsets — it operates in a dedicated 1.9 GHz band free from Wi-Fi and Bluetooth interference, delivering more reliable audio in large open-plan offices than Bluetooth alternatives. The Link 400a UC brings this advantage to the Jabra Engage 55 headset, connecting to the PC via USB-A and enabling stable wireless audio across call center floors. The UC version is compatible with all major softphone platforms including Zoom, Cisco Webex, and Avaya. DECT range typically exceeds Bluetooth in high-density environments, making it the pro choice for contact centers. Key Features DECT wireless — interference-free audio — 1.9 GHz DECT avoids Wi-Fi and Bluetooth congestion common in open-plan offices. USB-A plug-and-play — Installs in a USB-A port — no separate power needed. UC (non-Microsoft) certified — Compatible with Zoom, Cisco Webex, Avaya, RingCentral, and other UC platforms. Jabra Engage 55 compatible — Designed as the DECT USB dongle for the Engage 55 wireless headset system. Technical Specifications Specification Detail SKU 14205-13 Model Jabra Link 400a UC Wireless technology DECT 6.0 (1.9 GHz) Connector USB-A male Certification UC (non-Microsoft) Compatible headset Jabra Engage 55
