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Ethernet
The following table lists the wired Ethernet Local Area Network (LAN) specifications of your Latitude 5540.
Table 9. Ethernet specifications
Description
Model number
Transfer rate
Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules supported on your Latitude 5540.
Table 10. Wireless module specifications
Description
Model number
Transfer rate
Frequency bands supported
Wireless standards
Encryption
Bluetooth
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module supported on your Latitude 5540.
Table 11. WWAN module specifications
Description
Model number
Form factor
Host interface
Network standard
Transfer data rate
20
Specifications of Latitude 5540
Option one
Realtek RTL8852BE
Up to 1201 Mbps
2.4 GHz/5 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth 5.3
Option one
DW5823, Intel XMM 7560 R Global LTE-
Advanced, CAT16
M.2 3042 Key-B
PCIe Gen2
LTE FDD/TDD, WCDMA/HSPA+,GPS/
GLONASS/BDS/Galileo
● Up to 1 Gbps DL (CAT16)
Values
Intel I219-V/Intel I219-LM
10/100/1000 Mbps
Option two
Intel AX211
Up to 2400 Mbps
2.4 GHz/5 GHz/6 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax) (Wi-Fi 6
where Wi-Fi 6E is unavailable)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth 5.3
Option two
DW5931e, Intel 5G 5000 Global Gigabit
NR/LTE, 3GPP Release 15
M.2 3042 Key-B
PCIe Gen3
NR FR1(Sub6) FDD/TDD, LTE FDD/
TDD, WCDMA/HSPA+, GPS/GLONASS/
Galileo/BDS/QZSS
● SA: DL 4.67 Gbps / UL 1.25 Gbps
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