Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Precision 7770.
Table 9. Ethernet specifications
Description
Values
Model number
Intel i219LM
Transfer rate
10/100/1000 Mbps
Wireless module
The following table lists the Wireless Local Area Network (WLAN) module supported on your Precision 7770.
Table 10. Wireless module specifications
Description
Values
Model number
Intel AX211
Transfer rate
Up to 2400 Mbps
Frequency bands supported
2.4 GHz/5 GHz/6 GHz
NOTE:
The 6 GHz frequency is supported on computers
installed with Windows 11 operating system only.
Wireless standards
●
WiFi 802.11a/b/g
●
Wi-Fi 4 (Wi-Fi 802.11n)
●
Wi-Fi 5 (WiFi 802.11ac)
●
Wi-Fi 6E (WiFi 802.11ax)
NOTE:
160 MHz channel use, MU-MIMO, new 6 GHz
band
Encryption
●
64-bit and 128-bit WEP
●
AES-CCMP
●
TKIP
Bluetooth
Bluetooth 5.2
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module that is supported on your Precision 7770.
Table 11. WWAN module specifications
Description
Option one
Model number
DW5930e, Qualcomm Snapdragon SDX55 5G
Transfer rate
Up to 3 Gbps DL/250 Mbps UL (3GPP Release15 NR/LTE
CAT20)
Frequency bands supported
●
NR: (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 66, 71, 77, 78, 79)
●
LTE: (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28,
29, 30, 32, 38, 39, 40, 41, 42, 43, 46, 66)
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Specifications of Precision 7770
