Product Info

LTE Standard Module Series
EC21 Hardware Design
EC21_Hardware_Design 116 / 120
9 Appendix A References
Table 58: Related Documents
SN Document Name Remark
[1]
Quectel_EC2x&EGxx_Power_Management_
Application_Note
Power management application note for
EC25, EC21, EC20 R2.0, EC20 R2.1,
EG95, EG91 and EG25-G modules
[2]
Quectel_EC2x&EG9x&EM05_AT_Commands_
Manual
AT commands manual for EC25, EC21,
EC20 R2.0, EC20 R2.1, EG91, EG95
and EM05 modules
[3]
Quectel_EC2x&EGxx&EM05_GNSS_AT_Commands_
Manual
GNSS AT Commands Manual for EC25,
EC21, EC20 R2.0, EC20 R2.1, EG95,
EG91, EG25-G and EM05 modules
[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
[7] Quectel_LTE_Module_Thermal_Design_Guide
Thermal design guide for LTE standard,
LTE-A and Automotive modules
[8] Quectel_UMTS&LTE_EVB_User_Guide
UMTS&LTE EVB user guide for
UMTS&LTE modules
Table 59: 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