Table 11. WWAN module specifications(continued)
Description Option one Option two
Operating Frequency Bands
● LTE (B1, B2, B3, B4, B5, B7, B8, B12,
B13, B14, B17, B18, B19, B20, B25,
B26, B28, B29, B30, B32, B34, B38,
B39, B40, B41(HPUE), B42, B43,
B46(receiver only), B48, B66, B71
●
WCDMA/HSPA+ (1, 2, 4,5, 8)
● NR (n1, n2, n3, n5, n7, n8, n20, n25,
n28, n30, n38, n40, n41, n48, n66,
n71, n77, n78, n79)
● LTE (B1, B2, B3, B4, B5, B7, B8, B12,
B13, B14, B17, B18, B19, B20, B25,
B26, B28, B29, B30, B32, B34, B38,
B39, B40, B41, B42, B43, B46, B48,
B66, B71)
● WCDMA/HSPA+ (1, 2, 4, 5, 8)
Power supply DC 3.135 V to 4.4 V, Typical 3.3 V DC 3.135 V to 4.40 V, Typical 3.30 V
SIM card Supported through external SIM slot Supported through external SIM slot
eSIM with Dual SIM (DSSA) Supported Supported
Antenna Diversity Supported Supported
Radio On/Off Supported Supported
Wake On Wireless Supported Supported
Temperature
● Normal operating temperature:
-10°C to + 55°C (14°F to 131°F)
● Extended Operating temperature:
-20°C to + 65°C (-4°F to 149°F)
● Normal operating temperature: -10°C
to + 55°C (14°F to 131°F)
● Extended Operating temperature:
-30°C to +75°C (-22°F to 167°F)
● Storage temperature: -40°C to
+85°C (-40°F to 185°F)
Antenna connector
● WWAN Main Antenna x 4
● Supports 4x4 MIMO
● WWAN Main Antenna x 4
● Supports 4x4 MIMO
NOTE: For instructions on how to find your computer's International Mobile Station Equipment Identity (IMEI) number,
search in the Knowledge Base Resource at www.dell.com/support.
Audio
The following table lists the audio specifications of your Latitude 7450.
Table 12.
Audio specifications
Description Values
Audio controller
Realtek ALC3281
Stereo conversion
Stereo (2.0)
Internal audio interface
High definition audio interface
External audio interface
Universal Audio Jack
Number of speakers
Four
Internal-speaker amplifier
Supported
External volume controls
Supported
Speaker output:
Average speaker output
2W
24 Specifications of Latitude 7450
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