Quectel EC21 Mini PCIe Series Hardware Design page 16

LTE Features
UMTS Features
GSM Features
Internet Protocol Features
SMS
(U)SIM Interface
UART Interfaces
EC21_Mini_PCIe_Hardware_Design
Class E2 (27dBm± 3dB) for GSM850 8-PSK
Class E2 (27dBm± 3dB) for EGSM900 8-PSK
Class E2 (26dBm± 3dB) for DCS1800 8-PSK
Class E2 (26dBm± 3dB) for PCS1900 8-PSK
Class 3 (24dBm+1/-3dB) for WCDMA bands
Class 3 (23dBm± 2dB) for LTE-FDD bands
Class 3 (23dBm± 2dB) for LTE-TDD bands
Support up to non-CA Cat 1 FDD and TDD
Support 1.4/3/5/10/15/20MHz RF bandwidth
Support MIMO in DL direction
LTE-FDD: Max 10Mbps (DL)/Max 5Mbps (UL)
LTE-TDD: Max 8.96Mbps (DL)/Max 3.1Mbps (UL)
Support 3GPP R8 DC-HSDPA, HSPA+, HSDPA, HSUPA and WCDMA
Support QPSK, 16-QAM and 64-QAM modulation
DC-HSDPA: Max 42Mbps (DL)
HSUPA: Max 5.76Mbps (UL)
WCDMA: Max 384Kbps (DL)/Max 384Kbps (UL)
GPRS:
Support GPRS multi-slot class 33 (33 by default)
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Max 107Kbps (DL)/Max 85.6Kbps (UL)
EDGE:
Support EDGE multi-slot class 33 (33 by default)
Support GMSK and 8-PSK for different MCS (Modulation and Coding
Scheme)
Downlink coding schemes: CS 1-4 and MCS 1-9
Uplink coding schemes: CS 1-4 and MCS 1-9
Max 296Kbps (DL)/Max 236.8Kbps (UL)
Support TCP/UDP/PPP/FTP/FTPS/HTTP/HTTPS/NTP/PING/QMI/NITZ/
SMTP/SSL/MQTT/CMUX/SMTPS/MMS*/FILE* protocols protocols
Support PAP (Password Authentication Protocol) and CHAP (Challenge
Handshake Authentication Protocol) protocols which are usually used for
PPP connection
Text and PDU modes
Point-to-point MO and MT
SMS cell broadcast
SMS storage: ME by default
Support USIM/SIM card: 1.8V, 3.0V
Main UART:
Support RTS and CTS hardware flow control
Baud rate can reach up to 230400bps, 115200bps by default
Used for AT command communication and data transmission
LTE Standard Module Series
EC21 Mini PCIe Hardware Design
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