供应BENQ M23AG模块

uct Feature  Tri-Band GSM/GPRS module : EGSM900/DCS1800/PCS1900
Compliant with GSM Phase 2+ standard
Control via AT commands
Supply Voltage range from 3.3v to 4.2v 
Voice HR/FR/EFR
Noise deduction, echo cancellation
Telephony
Emergency Call
Dual Tone Multi Frequency Function (DTMF) 
Short Message Service (SMS)  Delivery Report
Point to point MT/MO
Cell Broadcast 
GSM Circuit Switched Data  Asynchronous
Transparent/ non-transparent
Up to 14.4kbps 
GPRS Packet Data GPRS Cl* B
GPRS Multi-slot Cl* 4
4 slot downlink (86.6kbps), 2 slot uplink (42.8kbps) max 5 slot
Coding Schemes : CS1 to CS4
Supplementary Services  Number identification
Call forwarding (Call Divert)
Call completion
Multi Party
Charging
Call barring
Interface Antenna Interfaces :
RF connector support coaxial cable
RF pads support RF cable soldering

44-pin B2B connector including :
UART/RS232
SIM (1.8V/3V)
General Purpose I/Os
Analog audio input/output
Power supply connection

AT command set according to GSM 27.05, 27.07

General Information Dimension : 55.5 x 40 x 5.95 mm
Weight : 15 g
Operating Temperature : - 20 ~ + 60 °C
Functional Temperature :- 20 ~ + 70 °C
Storage Temperature : - 40 ~ +85 °C