USB GSM Modem Q2303A

Product Performance
Double frequency GSM/GPRS modem
Its design and the development conforms to ETSI GSM the Phase2+ standard
Output Power
Class 4     2W  900MHz
Class 1     1W 1800MHz
Input voltage5V-24VDC
Input current1A-2A
5mA readiness for action, 140mA in GSM 900MHz 12V telephone conversation condition
5mA readiness for action, 100mA in GSM 1800/1900MHz 12V telephone conversation condition
Temperature range
-20 -+55 active status
-25 -+70 preserved condition
Product size73*55*19mm
Product weight200g

Voice,data/facsimile,GPRS,SMS service
Voice function
-Call
-Urgent telephone
-The pronunciation arranges the decoding: Full speed rate, strengthens full speed rate and the half speed rate
-Double sound multi- frequencies function (DTMF)
Data/facsimile function
-The non- synchronous data circuit cds, is transparent and opaque data most Gao Keda sign 14,,400 bits/s
-Class Three automatic facsimile machine (Class1 and Class2)
GPRS data characteristic
-GPRS Class2(Class10)
Code: CS1 to CS4
SMS service function
-Writing and PDU
-Point-to-point (MT/MO)
-Plot broadcast

Attachment service function
Call forwarding
The call limits
Multi-party mpty
The call waited for and calls maintains
Comes the electricity demonstration
The speech spends the prompt
USSD
Demonstration call forwarding

Other functions
Telephone directory management
Fixed digit dialing
The SIM card multiplication serves Class2
The SIM card, the network and the service supplier lock the card function
Real-time clock
Alarm clock management
The Xmodem agreement makes the software promotion

Connection
RS232 connection
-Orders with AT to make the remote control (GSM07.07 and 07.05)
-Establishes contacts the baud rate by 300 to 1.15,2 million bits/s
-Automatic baud rate (300 to 38,,400 bits/s)
SMA antenna connection
Slides into the type SIM card memory

Detailed list
Antenna
Power source adapter
The data and pronunciation ties (may choose part)