Product Info
LTE Standard Module Series
EC21_Series_Mini_PCIe_Hardware_Design
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1.4 2019-11-26 Fanny CHEN
1. Removed related information of ThreadX OS
because the baseline has been updated.
2. Updated the supported protocols and USB serial
drivers in Table 2.
3. Added operating modes of module in Chapter 3.3.
4. Updated description of W_DISABLE# in Chapter
3.10.3.
5. Updated the notes for GNSS performance in
Chapter 4.2.
6. Added current consumption of EC21-J Mini PCIe in
Table 40.
7. Updated the Mini PCI Express connector in Chapter
7.3.
1.5 2021-08-20 Barret XIONG
1. Added the related information of EC21-EUX Mini
PCIe.
2. Deleted the related information of EC21-EC Mini
PCIe.
3. Updated the USB serial drivers (Chapter 2.3).
4. Added the power consumption of EC21-E (Chapter
6.7).
5. Updated all unmarked dimension tolerances from
±0.05 mm to ±0.2 mm (Chapter 7).
6. Updated the information of packaging specifications
(Chapter 7.4).