GSM GPRS PCI/USB interface 16 sim card multi-port modem pool

GSM GPRS PCI/USB interface 16 sim card multi-port modem pool   

16 PCI Port modem pool,GPS/GPRS Modem Pool,PCI Interface,Support SMS,MMS,WAP,GPRS,FAX,Voic,AT command,TCP/IP stack,

Original MC55I,Quad-band 850/900/1800/1900 Mhz,COMPETITIVE PRICE

Aluminum casing
Wireless access to Internet
With TCP/ IP protocol stack
Quad band: 850/ 900/ 1800/ 1900MHz
3V SIM card slot
SIM application toolkit
Double tone multiple frequency function
Send and receive data, voice, e-mail, and SMS
Maximum transmitting speed 115.2Kbps
GPRS class 10
Antenna with high sensitivity
Always online
Conforms with ETSI GSM phase 2 and standard

Output power: 
Class 4(2W at 900MHz)
Class 1(1W at 1, 800MHz)
Input voltage: 100 to 240V 
Working temperature: -20 to 55°C
Storage temperature: -25 to 70°C

Voice features:

Telephone
Emergency calls
Full rate, enhanced full rate, and half
Rate ( FR/ EFR/ HR) 
Dual tone multiple frequency function ( DTMF) 
GSM data features: 
Data circuit asynchronous, transparent
And non transparent up to 14, 400 bits/ s
MNP2, V.42bis
GPRS packet data features: 
GPRS class 10, PBCCH supported
Coding schemes: CS1 to CS4
Complies with SMG31bis
Optional embedded TCP/ IP stack

Short messages services features:

Text and PDU
Point to point ( MT/ MO) 
Cell broadcast
GSM supplement services: 
Call forwarding
Call barring
Multi-party
Call waiting and call hold
Calling line identity
Advice of charge
USSD
Closed user group
Explicit call transfer