•Enjoy Wireless Freedom •A Better User Experience with Android 9.0 System •HD Audio and HD Video •Improved Security Performance

• No Perception Upgrade • Sync Level1 Base Backup • Headsets Registration • Security & Stability • Advanced DECT Contacts • Efficient Provisioning & Unified Management • Easy Setup and Deployment • Compatible with Multiple Devices

• Runs Android 9.0 • 7 inch (1024 x 600) capacitive adjustable touch screen • Supports Yealink Bluetooth Handset BTH58 • 720p30 HD video • Optimal HD audio, Yealink Noise Proof Technology • Yealink’s SDK (Software Development Kit) • DoorPhone Features (Preview, One-button Open, Monitoring) • Built-in Bluetooth 4.2 and Dual Band 2.4G/5G Wi-Fi • 2 x USB 2.0 ports for USB headset, media and storage applications • Up to 16 SIP accounts • Up to 3-party video conferencing • Up to 10-party video/audio mixed conferencing (up to 2 video calls) • Dual-port Gigabit Ethernet, supports PoE • Wall mountable • Supports up to 3 Expansion Module EXP50 • Supports Yealink/Unify Square Device Management Platform

• Seamless handover and roaming •Up to 100 parallel calls •Up to 30 base stations •Up to 100 handsets • Up to 100 SIP accounts • Support XML/LDAP/Remote Phonebook • Support Xsi Directory • DECT radio coverage up to 50 m indoors and 300 m outdoors • Support IPv6 • Support PoE • DECT Technology: Yealink DECT technology focuses on high-quality Audio VoIP (wideband) and low-bit-rate data applications. However, we are incompatible with third-party DECT devices (base station, handset, etc.). • Compatible with Yealink W56H/W53H (version x.85.0.45 or later), W73H (version 116.85.0.25 or later), W78H (version 16.85.0.5 or later), CP930W (version 87.85.0.45 or later), W59R (version 115.85.0.45 or later), W57R (version 118.85.0.5 or later), CP935W (version 149.86.0.10 or later), T54W+DD10K (version 96.85.0.95 or later) and DD Phone (version 66.84.0.115 or later)