Wireless module
Table 8. Wireless module specifications
Description
Values
Model number
Qualcomm QCA9565 (DW1707)
Qualcomm QCA9377 (DW1810)
Qualcomm QCA61x4A (DW1820)
Transfer rate
Up to 150 Mbps
Up to 433 Mbps
Up to 867 Mbps
Frequency bands supported
Dual band 2.4 GHz
Dual band 2.4 GHz/5 GHz
Dual band 2.4 GHz/5 GHz
Wireless standards
WiFi 802.11b/g/n
WiFi 802.11a/b/g/n/ac
WiFi 802.11a/b/g/n/ac
Encryption
•
64-bit/128-bit WEP
•
AES-CCMP
•
TKIP
•
64-bit/128-bit WEP
•
AES-CCMP
•
TKIP
•
64-bit/128-bit WEP
•
AES-CCMP
•
TKIP
Bluetooth
Bluetooth 4.0
Bluetooth 4.2
Bluetooth 4.2
Audio
Table 9. Audio specifications
Description
Values
Controller
Realtek ALC3246
Stereo conversion
Supported
Internal interface
High-definition audio
External interface
Headset combo jack (stereo headphones/microphone-in)
Speakers
Two
Internal speaker amplifier
Supported
External volume controls
Keyboard shortcuts
Speaker output:
Average
2 W
Peak
2.5 W
Subwoofer output
Not supported
Microphone
Supported
14
Specifications of Inspiron 3781
