LTE Standard Module Series
EC25 Mini PCIe Hardware Design
EC25_Mini_PCIe_Hardware_Design 2 / 79
About the Document
Revision History
Revision
Date
Author
Description
1.0
2016-06-07
Mountain ZHOU/
Frank WANG
Initial
1.1
2017-01-24
Lyndon LIU/
Frank WANG
1. Deleted description of EC25-AUT Mini PCIe in
Table 1.
2. Added description of EC25-AU and EC25-J
Mini PCIe in Table 1.
3. Updated key features of EC25 Mini PCIe in
Table 2.
4. Added current consumption in Chapter 4.7.
5. Updated conducted RF receiving sensitivity of
EC25-A Mini PCIe in Table 17.
6. Added conducted RF receiving sensitivity of
EC25-J Mini PCIe in Table 18.
2.0
2019-04-30
Nathan LIU/
Frank WANG/
Ward WANG/
Ethan SHAN
1. Added new variants EC25-AF Mini PCIe,
EC25-EU Mini PCIe, EC25-EC Mini PCIe,
EC25-EUX Mini PCIe, EC25-MX Mini PCIe
and their related information.
2. Updated LTE
,
UMTS and GSM features, and
added storage temperature range in Table 2.
3. Added pin definition and description of pin 3,
5, 44 in Figure 2 and Table 4.
4. Modified the reference circuit of USB interface
in Figure 6.
5. Updated the mechanical dimension of EC25
Mini PCIe in Figure 18.
6. Added USIM_PRESENCE in (U)SIM interface
and updated the reference circuit in Chapter
3.4.
7. Added
COEX
UART
interface
(under