USR-GPRS-MODEM New Four Frequency GSM Gprs Modem Module

USR-GPRS-MODEM New Four Frequency GSM Gprs Modem Module

Specification:                                                                             
- Power supply voltage : DC: 5~18V
- Frequency band :
- Support four frequency:
- GSM850,GSM900,DCS1800,PCS1900
- Frequency automatic search
- Frequency can be set by AT command
- Correspond with GSM Phase2/2+
- AT command :GSM 07.07, GSM 07.05 and other extended AT command

Transmitting power :
- Class4 (2W): GSM850 and GSM900
- Class2 (1W): DCS1800 and PCS1900
- GPRS data characteristic :
- GPRS upward transmission rate: MAX 85.6kbps
- GPRS descending transmission rate: MAX 85.6kbps
- Coded format: CS-1, CS-2, CS-3, CS-4
- Support PAP ( password validation) agreement which is used for PPP connection
- Built-in agreement; TCP/UDP/FTP/PPP, etc
- Support packet broadcast control channel( PBCCH)
- CSD Circuit switching :
- CSD transmission rate: 2.4,4.8,9.6, 14.4 kbps
- Not transparent transmission
- Support unstructured supplementary service data( USSD)

Feature:
Message :
- Text and PDU mode
- Message storage equipment: SIM card
- RS232 characteristic :
- Global function serial port
- Used for AT command, GPRS and CSD data transmission
- Adaptive baud rate: 4800 bps- 115200 bps
- Character format: data bit 8, stop bit 1, no parity bit
- Temperature range :
- Working temperature: -35 to 80 degree
- Storage temperature: -40 to 80 degree

Hardware interface :
Power :
- A power socket
- Standard size: Outer diameter 5.5 mm,
- inner diameter 2.1 mm;
- inner + external -;
- input voltage range 5~18 v
- RS232 interface : A RS232 standard interface (device is female)
- SIM card interface :
- A SIM card interface
- Support 3 v/ 1v 8 SIM card
- Antenna interface : A standard SMA interface
- Warranty :2 years

Package:
- 1 x USR-GPRS-MODEM with antenna
- 1 x Power adapter
- 1 x Serial cable