Table 7. Wireless module specifications (continued)
Description Values
Transfer rate
Up to 2400 Mbps
Frequency bands supported
2.4 GHz/5 GHz
Wireless standards
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.2
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module supported on your Latitude 3140/Latitude 3140
2-in-1.
NOTE: This module is only available on computers that support WWAN.
NOTE: Availability of the eSIM feature on this module is dependent on your region and your mobile carrier's requirements.
NOTE: For instructions on how to setup SIM or eSIM connections on your computer, refer to the SIM/eSIM Setup Guide
for Windows available with your product documentation at www.dell.com/support.
Table 8. WWAN module specifications
Description Values
Model number
Qualcomm Snapdragon X12 Global LTE-Advanced (DW5824e
with eSIM option)
Form Factor
M.2 3042 Key-B
Host Interface
● USB 2.0
● USB 3.0
Network Standard
LTE FDD/TDD, WCDMA/HSPA+, GPS/GLONASS/Beidou/
Galileo
Transfer data rate
● Up to 300 Mbps DL (CAT6)
● Up to 50 Mbps UL
Operating Frequency Bands
● LTE (B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18,
B19, B20, B25, B26, B28, B29, B30, B38, B39, B40, B41,
B41 HPUE, B42, B43, B48, B66, B71)
● HSPA+ (1, 2, 4, 5, 6, 8, 19)
Power supply
DC 3.13 V to 4.4 V, Typical 3.3 V
SIM card
Supported through internal SIM-card slot
Specifications of Latitude 3140/Latitude 3140 2-in-1 17
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