Table 8. Wireless module specifications(continued)
Description Option one Option two
● AES-CCMP
● TKIP
● AES-CCMP
● TKIP
Bluetooth wireless card
Bluetooth 5.3 Bluetooth 5.3
NOTE: The version of the Bluetooth wireless card may vary depending on the
operating system that is installed on your computer.
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module supported on your Latitude 3550.
Table 9. WWAN module specifications
Description Values
Model number
Qualcomm Snapdragon SDX12 Global LTE-Advanced
( DW5825e)
Form factor
M.2 3042 KEY-B
Host interface
USB 3.0/2.0
Network standard
● LTE FDD/TDD, WCDMA/HSPA+
● GPS/GLONASS/Galileo
Transfer rate
● Downlink:
● LTE FDD: 1 Gbps (Cat12)
● LTE TDD: 600 Mbps (Cat 12)
● UMTS: 384 Kbps
● DC-HSPA+: 42 Mbps (Cat12)
● Uplink:
● LTE FDD: 150 Mbps (Cat12)
● LTE TDD: 150 Mbps (Cat12)
● UMTS: 384 Kbps
● DC-HSPA+: 5.76 Mbps (Cat12)
Operating frequency bands
● LTE FDD (B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17,
B18, B19, B20, B25, B26, B28, B29, B30, B32, B66, B71)
● LTE TDD (B34, B38, B39, B40, B41, B42, B43,B48)
● WCDMA (B1, B2, B4, B5, B8)
Power supply DC 3.135 V to 4.4 V, Typical 3.3 V
SIM card Supported through external or internal SIM-card slot
eSIM with Dual SIM (DSSA)
Supported (The availability of eSIM functionality embedded on
the module is dependent on the region and specific carrier
requirements)
Antenna Diversity Supported
Radio On/Off Supported
Wake On Wireless Supported
Specifications of Latitude 3550 13
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