GPRS GSM 4 Port Modem Pool with USB interface for send SMS MMS SMS Machine

Features

1.Build in 4 modem in one box with Wavecom and Siemens modem

2.Sigle power supply for 4 modems

3.Power button to control on and off

4.Wavecom Q24plus Module

5.850/900/1800/1900MHz

6.WAP compliant

7.Send bulk SMS MMS

8.GPRS class 10:max 85.6kbps(downlink)

9.Auto answer function for voice and data collection with the remote device.

10.AT command to control and program

11.Designed for WAP, MMS, SMS, CSD data, fax, and voice applications

12.Support XP/NT/2000/2003/vista operation systems

13.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

The picture of 4 Port Modem Pool :

Right way to insert sim card

Working enviroment