Quectel EG25-G Hardware Design page 12

Internet Protocol Features
SMS
(U)SIM Interface
UART Interface
Audio Features
PCM Interface
USB Interface
Antenna Connectors
Rx-diversity (Optional)
GNSS Features
EG25-G_Mini_PCIe_Hardware_Design
Max 107 kbps (DL), Max 85.6 kbps (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 296 kbps (DL), Max 236.8 kbps (UL)
Support TCP/UDP/PPP/FTP/FTPS/HTTP/HTTPS/NTP/PING/QMI/NITZ/
SMTP/SSL/MQTT/CMUX/SMTPS/FILE/LwM2M/MMS 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: 1.8 V, 3.0 V
Main UART:
Support RTS and CTS hardware flow control
Baud rate can reach up to 230400 bps, 115200 bps by default
Used for AT command communication and data transmission
Support one digital audio interface: PCM interface
GSM: HR/FR/EFR/AMR/AMR-WB
WCDMA: AMR/AMR-WB
LTE: AMR/AMR-WB
Support echo cancellation and noise suppression
Support 16-bit linear data format
Support long frame synchronization and short frame synchronization
Support master and slave modes, but must be the master in long frame
synchronization
Compliant with USB 2.0 specification (slave only); the data transfer rate
can reach up to 480 Mbps
Used for AT command communication, data transmission, firmware
upgrade, software debugging and GNSS NMEA output.
Support USB serial drivers for: Windows 7/8/8.1/10, Linux 2.6–5.4, Android
4.x–9.x, etc.
Include main antenna, diversity antenna and GNSS antenna receptacle
connectors
Support LTE/WCDMA Rx-diversity
Gen8C Lite of Qualcomm
Protocol: NMEA 0183
LTE Standard Module Series
EG25-G Mini PCIe Hardware Design
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