Product Info

LTE Standard Module Series
EG91 Hardware Design
EG91_Hardware_Design 3 / 93
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. Updated antenna requirements (Table 26)
10. Added current consumption of EG91-NS,
EG91-V and EG91-EC (Table 32, 33 and 34)
11. Added conducted RF receiving sensitivity of
EG91-NS, EG91-V and EG91-EC (Table 39,
40 and 41)
1.4 2019-03-29 Ward WANG
1. Modified module name EG91-EC to EG91-
EX, and EG91-V to EG91-VX
2. Added newly supported 9.x of Android USB
serial driver (Table 2)
3. Modified the reflow temperature range as .
238ºC~245ºC (Chapter 8.2)