User Manual

Description Option one Option two Option three
Frequency bands supported
● 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)
● HSPA+ (1, 2, 4, 5, 6, 8, 9,
19)
● 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, 66)
● HSPA+ (1, 2, 4, 5, 8)
● 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)
● HSPA+ (1, 2, 4, 5, 6, 8, 9,
19)
Wireless standards
● LTE FDD/TDD
● WCDMA/HSPA+
● LTE FDD/TDD
● WCDMA/HSPA+
● NR FR1 (Sub6) FDD/TDD
● LTE FDD/TDD
● WCDMA/HSPA+
Encryption
AECS AECS AECS
Global Navigation Satellite
System (GNSS)
GPS/GLONASS/Beidou/
Galileo
GPS/GLONASS/Beidou/
Galileo
GPS/GLONASS/Beidou/
Galileo
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,
search in the Knowledge Base Resource at www.dell.com/support.
Audio
The following table lists the audio specifications of your Latitude 7430.
Table 10. Audio specifications
Description Values
Audio controller
Realtek ALC3281-CG
Stereo conversion
Supported
Internal audio interface
High definition audio interface
External audio interface
One universal audio port
Number of speakers
Two
Internal-speaker amplifier
Not supported
External volume controls
Keyboard shortcut controls
Speaker output:
Average speaker output
2 W
Peak speaker output
2.5 W
Subwoofer output
Not supported
Microphone
Dual-array microphones
18 Specifications of Latitude 7430