Wireless Data Rates: 802.11a: up to 54 Mbps
802.11b: up to 11 Mbps
802.11g: up to 54 Mbps
WiFi 4 (802.11n): up to 300 Mbps
WiFi 5 (802.11ac) (1024QAM): up to 4333Mbps
WiFi 6 (802.11ax) (2.4GHz): up to 574 Mbps
WiFi 6 (802.11ax) (5GHz-1): up to 2402Mbps
WiFi 6 (802.11ax) (5GHz-2): up to 4804Mbps
Features: Mid-level phone, ideal for professionals and managers with moderate call load
4.3" 480x272-pixel color display, fully adjustable
HD Voice with Yealink Acoustic Shield technology
10 line keys, 16 SIP accounts, 27 memory keys
Built-in Bluetooth, Wi-Fi
Dual-port Gigabit Ethernet
1xUSB port for call recording and wireless USB headset
Power supply not included
Standards: IEEE 802.3 10BASE-T, IEEE 802.3ab 1000BASE-T, IEEE 802.3u 100BASE-TX and IEEE 802.3X Full Duplex
Connectors: 1 - USB 3.0 A (9 pin; SuperSpeed) Male
1 - RJ-45 Female
2 - USB 3.0 A (9 pin; SuperSpeed) Female
Temperature: Operating Temperature:0 degree C to 70 degree C (32 degree F to 158 degree F)
Storage Temperature: -10 degree C to 55 degree C (14 degree F to 131 degree F)
Security: IPv4/IPv6
IP Assignment: Static/DHCP
HTTP/HTTPS web server
Time and date synchronization using SNTP
Transport Layer Security (TLS)
HTTPS certificate manager
IEEE802.1X
Security: IPv4/IPv6
IP Assignment: Static/DHCP
Proxy mode
HTTP/HTTPS web server
Time and date synchronization using SNTP
Transport Layer Security (TLS)
HTTPS certificate manager
IEEE802.1X