Quick Start Guide

Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules supported on your Vostro 3525.
Table 10. Wireless module specifications
Description Option one Option two
Model number
Realtek RTL8821CE MediaTek MT7921
Transfer rate
433 Mbps 1200 Mbps
Frequency bands supported
2.40 GHz/5 GHz 2.40 GHz/5 GHz
Wireless standards
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● WiFi 802.11a/b/g
● Wi-Fi 4 (Wi-Fi 802.11n)
● Wi-Fi 5 (Wi-Fi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth 5.0 Bluetooth 5.2
Audio
The following table lists the audio specifications of your Vostro 3525.
Table 11. Audio specifications
Description Dali Barcelo
Audio controller
Realtek ALC3204
Realtek ALC3254
Stereo conversion
Supported
Supported
Internal audio interface
High definition audio interface
High definition audio interface
External audio interface
One headset (headphone and
microphone combo) port
One headset (headphone and
microphone combo) port
Number of speakers
Two
Two
Internal-speaker amplifier
Supported
Supported (Audio codec built-in
amplifier)
External volume controls
Keyboard shortcut controls
Keyboard shortcut controls
Speaker output:
Average speaker output
2 W
2 W
Peak speaker output
2.5 W
2.5 W
Subwoofer output
Not supported
Not supported
Microphone
Single digital microphone Plastic : Single digital microphone
Aluminum: Dual-array microphones
Specifications of Vostro 3525 15