Siemens MC55/MC56 每 the world＊s most treasured Tri-Band GSM/GPRS modules:ultra-light, ultra-flat, ultra-flexible.

At only 2.95 mm, these revolutionary GSM/GPRS modules open up new integration possibilities for a wide spectrum of mobile computing devices, such as PDAs, smart phones and other handhelds. The easy integration path enables a wide range of applications. The MC55/MC56 modules are full type approved for worldwide operation.

General features:
Tri-Band GSM/GPRS 900/1800/1900 MHz (MC55)
Tri-Band GSM/GPRS 850/1800/1900 MHz (MC56)
GPRS multi-slot class 10
GPRS mobile station class B
Compliant to GSM phase 2/2+
Output power:
每 2 W for GSM850/900
每 1 W for GSM1800/1900
Dimensions (nominal):
35 x 32.5 x 2.95 mm(btb-connector: 3.3 mm)
Weight: 5.5 g
Control via AT commands(GSM 07.07 and 07.05)
SIM application toolkit
WAP compliant
MMS compliant
Supply voltage range 3.3 ... 4.8 V
Power consumption
(average supply current)
每 260 mA in GSM 850/900
每 180 mA in GSM 1800/1900
每 300 mA in GPRS 850/900
(4 Rx, 1 Tx/class 8)
每 230 mA in GPRS 1800/1900
(4 Rx, 2 Tx/class 10)
Ambient temperature: 20 ∼C to + 55 ∼C
Auto switch-off at +70 ∼C

Specifications for fax:
Group 3, class 2
Specifications for data:
GPRS class 10: max. 85.6 kbps
PBCCH support
Coding schemes CS 1, 2, 3, 4
CSD up to 14.4 kbps
USSD
Non transparent mode
V.110
PPP-stack
Specifications for SMS
via GSM and GPRS:
Point-to-point MO and MT
SMS cell broadcast
Text and PDU mode
Specifications for voice:
Tricodec
每 Half rate (HR)
每 Full rate (FR)
每 Enhanced Full rate (EFR)
Adaptive multi rate (AMR)
Hands-free operation(echo cancellation)
Noise reduction
Drivers:
RIL/MUX software for Microsoft
Windows Mobile?--based devices
Approvals:
R&TTE
FCC
IC
GCF
PCCRB
Local approvals and mobile
operator certifications
Interfaces:
Interface to external SIM
Board-to-board connector
Digital and analog audiointerfaces
AT commands via serial interface
Two serial int erfaces
Power supply 3.3 ... 4.8 V
Antenna connector and antenna pad
Battery charger

Compatibility:
AT cellular command interface