Specification and Datasheet

HUAWEI E5331 Mobile WiFi V100R001
Product Description
Issue 01 (2012-02-01)
Commercial in Confidence
Page 15 of 18
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
HSPA+/HSPA/UMTS/EDGE/GPRS/GSM baseband digital signals, including:
 Modulating/Demodulating HSPA+/HSPA/UMTS baseband signals
 Modulating/Demodulating EDGE/GPRS/GSM baseband signals
 Encoding/Decoding HSPA+/HSPA/UMTS channel
 Encoding/Decoding EDGE/GPRS/GSM channel
3. Bottom Layer Driver: It drives peripherals, including USB and SIM.
4. Protocol Stack System: It processes protocols of
HSPA+/HSPA/UMTS/EDGE/GPRS/GSM.
5. Application System: It sends laptop commands to the bottom layer protocol for
processing and returns the value to the laptop. Existing applications include the
following:
 Message management
 CS/PS domain service management
6. User Interface: It provides interface to connect peripherals. Interface is for SIM.
7. Application Management: Through the application window, you can set the
parameters of the E5331 and operate the E5331.