Table 13. WWAN module specifications(continued)
Description Option one Option two
Transfer data rate
● Up to 600 Mbps DL (CAT 12)
● Up to 150 Mbps UL
● 5G NR: DL 3.5 Gbps/ UL 900 Mbps
● LTE: DL 1.6 Gbps (CAT19)/ UL 211
Mbps (CAT18)
● UMTS: DL DC-HSPA+ Rel8:42
Mbps/UL 5.76 Mbps
Operating frequency bands
● LTE(B1, B2, B3, B4, B5, B7, B8, B12, B13,
B14, B17, B18, B19, B20, B25, B26, B28,
B29, B30, B32, B38, B39, B40, B41, B42,
B43, B48, B66, B71)
● HSPA+ (1,2,4,5,6,8,19)
● 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)
*Modem hardware supports but currently
disabled
Power supply
DC 3.135 V to 4.40 V, Typical 3.30 V DC 3.135 V to 3.63 V, Typical 3.3 V
SIM card
Supported through external SIM slot Supported through external SIM slot
eSIM with dual SIM (DSSA)
Supported
NOTE: The availability of eSIM
functionality that is embedded on the
module depends the region and specific
carrier requirements.
Supported
NOTE: The availability of eSIM
functionality that is embedded on
the module depends the region and
specific carrier requirements.
Antenna diversity
Supported Supported
Radio On/Off
Supported Supported
Wake on wireless
Supported Supported
Temperature
● Normal operating temperature: -10°C to
+55°C
● Extended Operating temperature: -30°C
to +75°C
● Normal operating temperature: -10°C
to +55°C
● Extended Operating temperature:
-30°C to +75°C
● Storage temperature: -40°C to +85°
Antenna connector
● WWAN main antenna x 1
● WWAN diversity antenna x 1
● WWAN main antenna x 1
● WWAN diversity antenna x 1
● 4x4 MIMO antenna x 2
NOTE: For instructions on how to find your computer's International Mobile Equipment Identity (IMEI) number, search in
the Knowledge Base Resource at www.dell.com/support.
Audio
The following table lists the audio specifications of your Latitude 5550.
Table 14.
Audio specifications
Description Values
Audio controller
Realtek Waves, MaxxAudio 13.0
Specifications of Latitude 5550 23
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