Brand:aa
Product detail:
GPRS GSM 4 Port Modem Pool with USB interface for 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 and Siemens Module
5.900/1800MHz
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