Rainbow Electronics M20 User Manual
M20
Quad Band GSM/GPRS Module
Quad Band
Wireless makes smarter
GPRS Multi-slot Class 12
Extended Temperature
Range -45 °C to +85 °C
Highly Compact Size
Embedded Internet Services
Protocols
RoHS Compliant
Serial Port
Multiplexer (GSM0710)
The M20 is a complete Quad-band GSM/GPRS solution in
a B2B connector type which can be embedded in customer
application, offering the highest reliability and robustness.
Featuring an industry-standard interface, the M20 delivers
GSM/GPRS 850/900/1800/1900MHz performance for
voice, SMS, data, and fax in a small form factor with
extremely low power consumption. With a tiny configuration
of 35mm x 32.5mm x 2.95mm, M20 can fit into almost all
the M2M applications, including VTS, Smart Metering,
Wireless POS, Security, etc.
● Quad - band GSM/GPRS module with a size
of 35mmx32.5mmx2.95mm
● Board-to-board connector suits for customer application
● Embedded powerful Internet service protocols
Quectel Enhanced AT
Commands
● Based on mature and field-proven platform, backed
up by our support service, from definition to design
and production
M20
Quad Band GSM/GPRS Module
General features
35mm
Quad-Band
GPRS multi-slot class
GPRS mobile station
Compliant to GSM phase
2/2+
Supply voltage range
Low power consumption
Operation temperature
Dimensions
Weight
Control via AT commands (GSM 07.07, 07.05
and other enhanced AT Commands)
SIM application toolkit
850/900/1800/1900MHz
12/10/8
Class B
Class 4
(2W @850/ 900 MHz)
Class 1
(1W @1800/1900MHz)
3.4~4.5 V 4.0V nominal
1.1mA @ DRX=5
0.7mA @ DRX=9
-45 °C to +85 °C
35mm × 32.5mm × 2.95mm
(incl. B2B connector:3.1mm)
Approx 6g
32.5mm 3.1mm
Specifications for voice
Speech codec modes
Full Rate (FR)
Enhanced Full Rate (EFR)
AMR Half Rate
AMR Full Rate
Echo arithmetic
Echo Suppression
Noise Reduction
Hands-free operation
Half Rate (HR)
Echo Cancellation
Interfaces
Hirose 50-pin B2B connector
Power supply
External SIM
Analog audio interfaces
3V/1.8V
Two channels
Specifications for fax
Group 3, class 1 & class 2
Specifications for data
GPRS class 12
PBCCH support
Coding schemes
CSD
USSD
Non transparent mode
Protocols
TCP/UDP
HTTP
FTP
MMS
max. 85.6 kbps (uplink
& downlink)
CS 1, 2, 3, 4
up to 14.4 kbps
PPP
Specifications for SMS via GSM /
GPRS
Point-to-point MO and MT
SMS cell broadcast
Text and PDU mode
PCM Interface
Serial port and debug port
Antenna connector and
solder pad
Charge interface
( optional)
Drivers
MUX Driver
Compatibility
AT cellular command interface
Contact us
Address
Email
Tel
Room 801, Building E, No.1618,
Yishan Road, Shanghai, China
info@quectel.com
+86 21 51082965
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