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

Original Siemens MC55,Tri-band 900/1800/1900 Mhz,COMPETITIVE PRICE

 

Aluminum casing
Wireless access to Internet
With TCP/ IP protocol stack
Quad band:  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