Service Guide

LTE Standard Module Series
EG91_Series_Hardware_Design
7
/ 105
1.7 2019-08-09
Barret XIONG/
Rex WANG
1. Added ThreadX variant EG91-NAX and
updated related contents (Table 1 and 4,
Chapter 2.2, 2.3, 3.2 and 5).
2. Added related notes of SPI interface not
supported on ThreadX modules (Chapter
3.1, 3.3 and 3.13).
3. Added current consumption of EG91-NAX
(Table 37).
4. Updated EG91-NA conducted RF receiving
sensitivity (Table 41).
5. Updated EG91-NS conducted RF receiving
sensitivity (Table 42).
6. Added EG91-NAX conducted RF receiving
sensitivity (Table 45).
1.8 2019-11-07
Barret XIONG/
Rex WANG
1. Removed related information of ThreadX
OS.
2. Updated the supported USB serial drivers
(Table 2)
3. Updated the notes for GNSS performance
(Chapter 4.2).
4. Updated the AT command be used to disable
the receive diversity (Chapter 5.1.3).
5. Updated the current consumption of
LTE-FDD B13 (Table 43).
1.9 2020-10-21
Barret XIONG/
Rex WANG
1. Removed related information of EG91-NS
module according to product promotion
strategy.
2. Added EG91-AUX and related information
(Table 1, 39 and 48).
3. Added EG91-NAXD and related information
(Table 1, 37 and 47).
4. Updated pin assignment (Top View) (Figure
2)
5. Updated the AT command for the operation
of ANT_MAIN and ANT_DIV (Chapter
5.1.3).
6. Added EG91-EX/-NA/-VX/-NAX/-NAXD/-AUX
bottom dimensons (Figure 43).
7. Added the note about
the standard that the
package warpage level of the module
conforms to (Chapter 7.1).
8. Updated top view of the module (Figure 45).
9. Added EG91-EX/-NA/-VX/-NAX/-NAXD/-AUX
bottom view (Figure 47).