1.7-inch screen-weight, weighing energy-efficient monitor2. Receiving incoming calls from the door communicator3. Two-way SIP v2.0 connectionConnection with 4.POE or adapter5. Compatible with American or European wall electrical box. 6. Connect to Bluetooth and Wi-Fi...
• Optima HD voice, full duplex technology• 10-feet and 360 degree voice pickup• Optional expansion microphones for wider reception• 320ms echo cancellation tail length• Connect to a mobile phone or PC for conference calls• 5-way conferencing support• USB call recording support• Optima HD voice• 10-f..
• Optima HD voice, full duplex technology• 10-feet (3-meters) 120°H voice pickup• Capacitive mute touchpad with bicolor LED• Echo cancellation• For use with Yealink CP860• Optima HD voice• Full duplex technology• Muting the microphones with touchpad• Bi-color LED• 10-feet (3-meters) 120°H voice pick..