4 Port modem USB Interface,GPS/GPRS Modem Pool,4800 SMS per hours.
4 Ports GPRS Modem Pool Features
Build in 4 GPRS modem in one box with Wavecom GPRS modem
Sigle power supply for 4 modems
Power button to control on and off
Dual Band EGPRS 900/1800mhz or Quad-band 850/900/1800/1900mhz
WAP compliant
Send MMS
GPRS class 10:max 85.6kbps(downlink)
Auto answer function for voice and data collection with the remote device.
AT command to control and program
Designed for WAP, MMS, SMS, CSD data, fax, and voice applications
Support XP/NT/2000/2003/vista operation systems
Design for high traffic communicaton
GPRS Function:
GPRS multi-slot class 10
21.4kbps uplink / 85.6 kbps downlink
42.8 kbps uplink / 68.2 kbps downlink
GPRS mobile station class B
Full PBCCH support
SMS Function:
Support AT command
Text and PDU
Point-to-point (MT/MO)
SMS broadcast
Voice Function:
Voice Call through mobile network
Auto answer function
Full duplex and half duplex rate
Enhanced full rate (EFR)
Double sound multi- frequencies function (DTMF)
Basic handsfree operation
Echo cancellation
Noise reduction
Data
CSD up to 18.8 kbps
Auto answer function
USSD
Non transparent mode
V.82bis compression
V.110
Fax
Group 3, Class 2
Right way to insert sim card
Power button & USB interface