Quectel EG91 Series User Manual

LTE Standard Module Series
EG91 Series Hardware Design
EG91_Series_Hardware_Design 3 / 106
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. 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)
1.5 2019-05-24
Ward WANG/
Nathan LIU
1. Updated comment of RF antenna (Table 4)
2. Updated EG91-EX current consumption
(Table 36)
3. Updated EG91-EX conducted RF receiving
sensitivity (Table 43)
1.6 2019-07-05 Ward WANG
1. Updated supported protocols (Table 2).
2. Updated timing of turning on module (Figure
12).
3. DFOTA is developed.
4. Updated description of USB_BOOT
interface and timing sequence for entering
emergency download mode (Chapter 3.18

Quectel EG91 Series Specifications

General

Brand	Quectel
Model	EG91 Series
Category	Control Unit
Language	English