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Wireless module
The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Precision 3581.
Table 10. Wireless module specifications
Description
Model number
Transfer rate
Frequency bands supported
Wireless standards
Encryption
Bluetooth wireless card
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module supported on your Precision 3581.
Table 11. WWAN module specifications
Description
Model number
Form factor
Host interface
Network standard
Transfer data rate
20
Specifications of Precision 3581
Option one
Realtek RTL8852BE
Up to 1201 Mbps
2.4 GHz/5 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth wireless card
NOTE:
The version of the Bluetooth wireless card may vary depending on the
operating system that is installed on your computer.
Option one
DW5823, Intel XMM 7560 R Global LTE-
Advanced, CAT16
M.2 3042 Key-B
PCIe Gen2
LTE FDD/TDD, WCDMA/HSPA+,GPS/
GLONASS/BDS/Galileo
● Up to 1 Gbps DL (CAT16)
● Up 150 Mbps UL
Option two
Intel AX211
Up to 2400 Mbps
2.4 GHz/5 GHz/6 GHz
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax)
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth wireless card
Option two
5G DW5931e, Intel 5G 5000 Global
Gigabit NR/LTE, 3GPP Release 15
M.2 3042 Key-B
PCIe Gen3
LTE FDD/TDD, WCDMA/HSPA+, GNSS/
Beidou NR FR1(Sub6) FDD/TDD,
LTE FDD/TDD, WCDMA/HSPA+, GPS/
GLONASS/Galileo/BDS/QZSS
● SA: DL 4.67Gbps/UL 1.25Gbps
● NSA: DL 3.74Gbps/UL 700Mbps
● LTE: DL 1.6Gbps (CAT19)/UL
150Mbps
● UMTS: DL 384 kbps/UL 384 kbps
DL DC-HSPA+: 42 Mbps (CAT24)/UL
11.5 Mbps (CAT7)
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