Product Info

LTE Module Series
EG91 Hardware Design
EG91_Hardware_Design 3 / 93
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.
11. Updated antenna requirements in Table 25.
12. Updated RF output power in Table 32.
1.3 2019-02-03
Ward WANG/
Nathan LIU/
Rex WANG
1. Added new variants EG91-NS, EG91-V,
EG91-EC and related contents.
2. Opened pin 24 as ADC0 and added related
contents.
3. Updated functional diagram (Figure 1)
4. Updated pin assignment (Figure 2)
5. Updated GNSS features (Table 2)
6. Added USB_BOOT interface information
(Chapter 3.18)
7. Updated storage information (Chapter 8.1)
8. Updated module operating frequencies
(Table 23)
9. Updatedantenna requirements (Table26)
10. Added current consumption of EG91-NS,
EG91-V and EG91-EC (Table 32, 33 and 34)
11. Added conducted RF receiving sensitivityof
EG91-NS, EG91-V and EG91-EC (Table 39,
40 and 41)