User's Manual

LTE Module
EC20 Hardware Design
EC20_Hardware_Design Confidential / Released 2 / 83
About the Document
History
Revision
Date
Author
Description
1.0
2015-02-13
Mountain ZHOU/
Mike ZHANG
Initial
1.1
2015-08-14
Mountain ZHOU
1. Added UART interface pins
2. Added FOTA upgrade mode
3. Updated module dimension information
4. Updated functional diagram
5. Updated power supply reference circuit
6. Updated description of UART interface
7. Updated current consumption
8. Updated GNSS sensitivity
1.2
2015-10-23
Mountain ZHOU
1. Updated internet protocol
2. Updated UART interface feature
3. Updated functional diagram
4. Updated turning on timing
5. Updated GNSS performance
6. Released USIM_PRESENCE function