Table 9. Wireless module specifications (continued)
Description Option one Option two
Wireless standards
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6 (WiFi 802.11ax)
● WiFi 802.11a/b/g
● Wi-Fi 4 (WiFi 802.11n)
● Wi-Fi 5 (WiFi 802.11ac)
● Wi-Fi 6E (WiFi 802.11ax)
Encryption
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
● 64-bit/128-bit WEP
● AES-CCMP
● TKIP
Bluetooth
Bluetooth wireless card Bluetooth wireless card
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module supported on your Precision 3581.
Table 10. WWAN module specifications
Description Option one Option two
Model number
DW5823, Intel XMM 7560 R Global LTE-
Advanced, CAT16
5G DW5931e, Intel 5G 5000 Global
Gigabit NR/LTE, 3GPP Release 15
Form factor
M.2 3042 Key-B M.2 3042 Key-B
Host interface
PCIe Gen2 PCIe Gen3
Network standard
LTE FDD/TDD, WCDMA/HSPA+,GPS/
GLONASS/BDS/Galileo
LTE FDD/TDD, WCDMA/HSPA+, GNSS/
Beidou NR FR1(Sub6) FDD/TDD,
LTE FDD/TDD, WCDMA/HSPA+, GPS/
GLONASS/Galileo/BDS/QZSS
Transfer data rate
● Up to 1 Gbps DL (CAT16)
● Up 150 Mbps UL
● 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)
Operating frequency bands
● LTE(B1, B2, B3, B4, B5, B7, B8, B12,
B13, B14, B17, B18, B19, B20, B25, B26,
B28, B29, B30, B32, B34, B38, B39,
B40, B41(HPUE), B42, B43, B46(receiver
only), B48, B66, B71
● WCDMA/HSPA+(1, 2, 4, 5, 8)
● NR(n1, n2, n3, n5, n7, n8, n20, n25,
n28, n30, n38, n40, n41, n48, n66, n71,
n77, n78, n79)
● LTE (B1, B2, B3, B4, B5, B7, B8, B12,
B13, B14, B17, B18, B19, B20, B25,
B26, B28, B29, B30, B32, B34, B38,
B39, B40, B41, B42, B43, B46, B48,
B66, B71*)
● WCDMA/HSPA+ (1, 2, 4, 5, 8)
Power supply
DC 3.135 V to 4.40 V, typical 3.30 V DC 3.135 V to 4.4 V, Typical 3.3 V
SIM card
Supported through external SIM slot Supported through external SIM slot
eSIM with dual SIM (DSSA)
Supported (the availability of eSIM
functionality embedded on the module is
Supported
Specifications of Precision 3581 15
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