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UMTS/HSPA

UC20 EVB User Guide

UC20_EVB_User_Guide Confidential / Released 3 / 25

Contents

About the document ................................................................................................................................... 2

Contents ....................................................................................................................................................... 3

Table Index ................................................................................................................................................... 4

Figure Index ................................................................................................................................................. 5

1 Introduction .......................................................................................................................................... 6

1.1. Safety Information ........................................................................................................................ 7

2 General Overview ................................................................................................................................. 9

2.1. Key Features ................................................................................................................................ 9

2.2. System Overview ....................................................................................................................... 10

2.3. UC20 TE-A and UC20 EVB_V1.01 ............................................................................................ 11

3 Description of UC20 EVB .................................................................................................................. 13

3.1. UC20 Module Interface (Board to Board Connector) ................................................................ 13

3.2. Test Points of UC20 ................................................................................................................... 16

3.3. SIM Card Interface ..................................................................................................................... 17

3.4. USB Device Interface ................................................................................................................. 18

3.5. RS-232 Interface ........................................................................................................................ 19

3.6. Switch and Buttons .................................................................................................................... 21

3.7. Status LEDs ............................................................................................................................... 22

3.8. Analog Audio Interface ............................................................................................................... 22

4 Operating Procedure for UC20 ......................................................................................................... 24

4.1. Turn on UC20 Module ................................................................................................................ 24

4.2. Turn off UC20 Module ................................................................................................................ 24

4.3. Reset .......................................................................................................................................... 25

4.4. Communication via USB or Serial Port ...................................................................................... 25

Quectel

Confidential

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