Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 208 / 231
14 Appendix
14.1. References
Table 6: Related Documents
Table 7: Terms and Abbreviations
SN
Document Name
Remark
[1]
V.25ter
Serial asynchronous automatic dialing and control
[2]
3GPP TS 27.007
Digital cellular telecommunications (Phase 2+);
Universal Mobile Telecommunications System (UMTS);
LTE; AT command set for User Equipment (UE)
[3]
3GPP TS 27.005
Digital cellular telecommunications (Phase 2+);
Universal Mobile Telecommunications System (UMTS);
LTE; Use of Data Terminal Equipment – Data Circuit
terminating Equipment (DTE-DCE) interface for Short
Message Service (SMS) and Cell Broadcast Service
(CBS)
Abbreviation
Description
AMR
Adaptive Multi-Rate
CSD
Circuit Switch Data
DCD
Dynamic Content Delivery
DCE
Data Communication Equipment
DTE
Data Terminal Equipment
DTR
Data Terminal Ready
ECT
Explicit Call Transfer supplementary service

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC