Quectel EC21 Series User Manual

LTE Standard Module Series
EC21_Series_Hardware_Design
5
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About the Document
Revision History
Version Date Author Description
1.0 2016-04-15 Yeoman CHEN Initial
1.1 2016-09-22
Yeoman CHEN/
Frank WANG/
Lyndon LIU
1. Updated frequency bands in Table 1.
2. Updated transmitting power, supported maximum
baud rate of main UART, supported internet
protocols, supported USB drivers of USB interface,
and temperature range in Table 2.
3. Updated timing of turning on module in Figure 12.
4. Updated timing of turning off module in Figure 13.
5. Updated timing of resetting module in Figure 16.
6. Updated main UART supports baud rate in Chapter
3.11.
7. Added notes for ADC interface in Chapter 3.13.
8. Updated GNSS Performance in Table 21.
9. Updated operating frequencies of module in Table
23.
10. Added current consumption in Chapter 6.4.
11. Updated RF output power in Chapter 6.5.
12. Added RF receiving sensitivity in Chapter 6.6.
1.2 2016-11-04
Lyndon LIU/
Michael ZHANG
1. Added SGMII and WLAN interfaces in Table 2.
2. Updated function diagram in Figure 1.
3. Updated pin assignment (Top View) in Figure 2.
4. Added description of SGMII and WLAN interfaces in
Table 4.
5. Added SGMII interface in Chapter 3.17.
6. Added WLAN interface in Chapter 3.18.
7. Added USB_BOOT interface in Chapter 3.19.
8. Added reference design of RF layout in Chapter
5.1.4.
9. Added current consumption of EC21-V in Chapter
6.4

Quectel EC21 Series Specifications

General

Brand	Quectel
Model	EC21 Series
Category	Control Unit
Language	English