Cinterion MC55 GSM/GPRS Modem

On account of its small dimensions, the GPRS Class 10 module gives you a high amount of flexibility when incorporating voice and
Data communications into your own application. The built-in TCP/IP stack enables you to set up a connection to the Internet in no time
At all. Together the two Tri-Band models that are available the MC55 and MC56 provide coverage of all the GSM networks in the
World, which means they allow your own application to be used globally.

with all its top-class communications features plus the built-in TCP/IP stack, the MC55/56 is the key element in a broad range of M2M
Applications. In addition to the driver for Microsoft® Windows Mobile™ Based devices, its amazingly compact design makes it predestined
For integration in PDAs, laptops, PCMCIA cards, and many other types of communications equipment.

Like all Siemens modules, the MC55/56 has received full type approval (FTA) and can therefore be used across the globe. In fact, it's been
Certified by the largest carriers worldwide, including US operators.

Specifications for GPRS data
Transmission:
GPRS class 10: Max. 85.6 kbps (downlink)
Mobile station class B
PBCCH support
Coding schemes CS 1-4
Specification for CSD data transmission:
Up to 14.4 kbit/s
V. 110
Non-transparent mode
USSD support
Specification for SMS:
Point-to-point MO and MT
SMS cell broadcast
Text and PDU mod
Specification for voice:
Triple-rate codec for HR, FR, and EFR
Adaptive multi-rate AMR
Basic hands-free operation
Echo cancellation
Noise reduction

Interfaces:
Hirose U. FL-R-SMT 50 ohm antenna
Connector
Antenna solder pad
Hirose 50-pin board-to-board connector
Power supply
Audio: 2 X analog, 1 X digital
SIM card interface 3 V
2 X serial interface (ITU-T V. 24 protocol)
Battery charger