User manual

HUAWEI E5885Ls-93a Mobile WiFi V200R001
Product Description
Issue 05 (2017-06-22) Commercial in Confidence Page 19 of 22
4.2 Functional Modules
1. Radio frequency module: It sends/receives radio signals and
modulates/demodulates the radio frequency (RF) signals and baseband signals
2. Baseband signal processing: It processes
LTE/DC-HSPA+/HSPA+/UMTS/EDGE/GPRS/GSMbaseband digital signals,
including:
 Modulating/Demodulating
LTE/D C -HSPA+/HSPA+/UMTS/EDGE/GPRS/GSM baseband signals
 Encoding/Decoding LTE/DC -HSPA+/HSPA+/UMTS/EDGE/GPRS/GSM
channel
3. Bottom layer driver: It drives peripherals, including a USB device, Wi-Fi devices,
a screen, buttons, a SIM card and a microSD card.
4. Protocol stack system: It processes protocols of
LTE/DC-HSPA+/HSPA+/UMTS/EDGE/GPRS/GSM and TCP/IP.
5. Application system: It provides management system, including SMS, PS
domain service, Wi-Fi configuration, network service, Web service and Web page.
The user can set management parameters by Web page.
6. User interface: It provides human-computer interaction, including a screen and
buttons.