Product Info

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design
9-91
/ 105
9 Appendix A References
Table 52: Related Documents
SN
Document Name
Remark
[1]
Quectel_EC2x&EG9x&EM05_Power_Management_
Application_Note
Power management application notefor
EC25, EC21, EC20 R2.0, EC20 R2.1,
EG95, EG91 and EM05 modules
[2]
Quectel_EC25&EC21_AT_Commands_Manual
EC25 and EC21 AT commands manual
[3]
Quectel_EC25&EC21_GNSS_AT_Commands_Manual
EC25 and EC21 GNSS AT commands
manual
[4]
Quectel_Module_Secondary_SMT_User_Guide
Module secondary SMT user guide
[5]
Quectel_EC21_Reference_Design
EC21 reference design
[6]
Quectel_RF_Layout_Application_Note
RF layout application note
Table 53: Terms and Abbreviations
Abbreviation
Description
AMR
Adaptive Multi-rate
bps
Bits Per Second
CHAP
Challenge Handshake Authentication Protocol
CS
Coding Scheme
CSD
Circuit Switched Data
CTS
Clear To Send
DC-HSPA+
Dual-carrier High Speed Packet Access
DFOTA
Delta Firmware Upgrade Over The Air
DL
Downlink