Technical Specification
Product?Performance：	Quad-band GSM modem (EGSM850/GSM900/GSM1800/1900MHz), applied to the data, fax, voice and messaging applications, and its design and development conform to ETSI GSM Phase2＋technical standards (General Telephone)
Output Power：	Class4(2W@900MHz) Class1(1W@1800/1900MHz)
Input Voltage：	5V－32V
Input Current：	5mA standby，140mA @12V phone state?GSM900MHz 5mA standby，100mA @12V phone state GSM1800/1900MHz
Temperature Range：	-20 ℃ - +55 ℃ working state -25 ℃ - +70 ℃ storage state
Product Size：	73×54×25mm
Net Weight：	82g

Data, Fax, Voice And Messaging Function
· Applications: control GSM Modems receiving and sending SMS through RS232 or USB interface on a computer or a single chip.
· Voice function call emergency call speech?coder?and?decoder: full rate, enhanced full rate and half rate (FR/EFR/HR) dual tone multiple frequency function (DTMF)
· Data/fax function asynchronous data circuit, transparent and opaque data to the highest standard 14400 bits/s the third type of automatic fax machine (Class1 and Class2) MNP2, V42bis
· Messaging function text and PDU ?point-to-point (MT/MO) cell broadcast

GSM Additional Functions
· call transfer
· call barring
· MPTY
· call waiting and call holding
· caller ID
· call charge prompt
· unstructured supplementary service data（USSD）
· closed user group
· show call transfer

Other Functions
· open software platform（support the embedded user application system）
· ME＋SIM address book management
· fixed dialing
· SIM card value-added services Class2?
· SIM card, card locked function of network and service provider
· real time clock
· alarm manager
· XMODEM protocol software upgrading
· support the text UCS2

Interface
· Support RS232 serial and audio interface through a small Sub - D15 plug connector
· Telecontrol by AT commands （GSM07. 07及07. 05）
· Serial bit rate from 300 to 115200 bits/s
· Automatic bit rate from 300 to 38400 bits/s
· Through micro - FIT4 Plug power connector
· SMA antenna interface
· Slide-on holder of SIM card

Parts List
· Power Supply *1
· RS232 Data Cable *1
· Antenna *1