USB 16 port bulk sms gsm modem 

GSM Modem Pool 16 Ports 64 Sims, Model no.: MT-520 (it has 16 ports, each ports has 4 SIM card slot, totally 16 ports 64 SIMs, USB type is a newly developed GSM/GPRS Modem pool solution which can automatically realize SIM rotation when do bulk SMS sending, it can effectively lower the SIM block by carriers, and improve the SMS sending efficiency. You can preset the SIM rotation rule through hyper terminal of PC by AT command, then the device will automatically do SIM rotation according to the rule.

Specifications:

1, GSM Modem Pool 16 ports 64 SIMs slot;

2, GSM 900/1800/850/1900Mhz Quad band (Quectel M35 module employed);

3, Automatically SIM rotation;

4, IMEI Changeable through Hyper terminal of PC;

5, USB interface

6, AT Command

Main Features:

1, Can Support 16 channels simultaneously;

2, Can insert 64 SIM cards (each port 4 SIM cards)

3, Connect with the Computer through USB line for USB type.

4, Each channel with separate power switch.

5, Each channel can be demolished separately.

6, Comply with GSM Phase 2 standard.

7, USB Interface

8, Can send and receive SMS in bulk

9, Industrial Chassis, Elegant Appearance design.

10, support Windows XP, Windows7, Linux, Unix OS etc.

Basic Features

1, Asynchronous, transparent or non-transparent, to a maximum 14400 bits/s,

2, Baud rate: 115200 bits/s

3, Automatic baud rate: from 2400 to 19200 bits/s

4, GPRS compatible

5, SMA antenna interface

6, SIM card Outlet

7, Built-in Ac-adapter: 12V 3A

8, USB ports support

9, AT command control (GSM 07.07 and 07.05)

Hardware Features:

Meet the ETSI GSM 2 + standards

Class 4 ( 2W @ 900 MHz) Class 5 ( 1W@1800 MHz)

Operating Temperature: -20 ° C - + 55 ° C

Storage temperature: -25 ° C - + 70 ° C

Device Size: standard GSM Modem Pool chassis

Weight: 3Kg per unit

Application:

 Large shopping malls, supermarkets

 Professional market, large wholesalers

 Large hotels, large-scale entertainment

 Large agencies

 Transport, logistics industry

 Large enterprises, and institutions

 Large hospitals, large bookstore

 Newspaper, television and radio stations

 Oil Company ( other chain business company)

 Government agencies or large township