Product Info

LTE Standard Module Series
EG91 Hardware Design
EG91_Hardware_Design 2 / 93
About the Document
History
Revision Date Author Description
1.0 2017-03-22
Felix YIN/
Yeoman CHEN/
Jackie WANG
Initial
1.1 2018-01-23
Felix YIN/
Rex WANG
1. Added band B28A.
2. Updated the description of UMTS and GSM
features in Table 2.
3. Updated the functional diagram in Figure 1.
4.
Updated module operating frequencies in
Table 21.
5. Updated current consumption in Table 26.
6. Updated RF output power in Table 27.
7.
Updated the conducted RF receiving
sensitivity in Table 28.
8. Updated the GPRS multi-slot classes in Table
33.
9. Added thermal consideration in Chapter 5.8
10. Added a GND pad in each of the four corners
of the module’s footprint in Chapter 6.2.
11. Updated storage information in Chapter 7.1.
12. Added packaging information in Chapter 7.3.
1.2 2018-03-14
Felix YIN/
Rex WANG
1. Added the description of EG91-NA.
2. Updated the functional diagram in Figure 1.
3. Updated pin assignment in Figure 2.
4. Updated GNSS function in Table 1.
5. Updated GNSS Features in Table 2.
6. Updated reference circuit of USB interface in
Figure 21.
7. Added description of G
NSS receiver in
Chapter 4.
8. Updated pin definition of RF antenna in Table
21.
9.
Updated module operating frequencies in
Table 22.
10.
Added description of GNSS antenna
interface in Chapter 5.2.