Table 11. WWAN module specifications (continued)
Description
Operating frequency bands
Power supply
SIM card
eSIM with Dual SIM (DSSA)
Antenna Diversity
Radio On/Off
Wake On Wireless
Temperature
Antenna connector
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 3540.
Table 12. Audio specifications
Description
Audio controller
Stereo conversion
Internal audio interface
External audio interface
Number of speakers
Internal-speaker amplifier
External volume controls
Speaker output:
Average speaker output
Peak speaker output
Subwoofer output
Values
● 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, B46
(receiver only), B48)
● WCDMA (B1, B2, B4, B5, B8)
DC 3.135 V to 4.4 V, Typical 3.3 V
Supported through external or internal SIM-card slot
Supported (The availability of eSIM functionality embedded on
the module is dependent on the region and specific carrier
requirements)
Supported
Supported
Not supported
● Normal operating temperature: -10 °C to +55 °C
● Extended operating temperature: -20 °C to +65 °C
● Storage Temperature: -40 °C to +85 °C
● WWAN Main Antenna x 1
● WWAN Diversity Antenna x 1
Values
Realtek ALC3204
Supported with Waves MaxxAudio Pro
High definition audio interface
One universal audio port
Two
Supported (audio codec integrated)
Supported
2 W x 2 = 4 W
2.5 W x 2 = 5 W
Not supported
Specifications of Latitude 3540
15
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