Quectel EG91 Series Hardware Design page 18

LTE Features
UMTS Features
GSM Features
Internet Protocol Features
SMS
(U)SIM Interfaces
Audio Features
PCM Interface
EG91_Series_Hardware_Design
Support up to non-CA Cat 1 FDD
Support 1.4/3/5/10/15/20MHz RF bandwidth
Support MIMO in DL direction
LTE-FDD: Max 10Mbps (DL), Max 5Mbps (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)
R99:
CSD: 9.6kbps
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: MCS 1-9
Uplink coding schemes: MCS 1-9
Max 296Kbps (DL)/Max 236.8Kbps (UL)
Support TCP/UDP/PPP/FTP/FTPS/HTTP/HTTPS/NTP/PING/QMI/NITZ/
MMS/SMTP/SSL/MQTT/FILE/CMUX*/SMTPS* protocols
Support PAP (Password Authentication Protocol) and CHAP (Challenge
Handshake Authentication Protocol) protocols which are usually used for
PPP connections
Text and PDU modes
Point-to-point MO and MT
SMS cell broadcast
SMS storage: ME by default
Support 1.8V and 3.0V (U)SIM cards
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
Used for audio function with external codec
Support 16-bit linear data format
Support long frame synchronization and short frame synchronization
Support master and slave mode, but must be the master in long frame
synchronization
LTE Standard Module Series
EG91 Series Hardware Design
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