Siemens tc45

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The TC45 is a small Dual-Band GSM/GPRS module, with integrated Java.

It is based on the Java ME standard, and is suitable for Metering, Fleet management & tracking systems, POS terminals/scanners, Vending machines, Security systems, Voice applications, and GSM gateways.

It has up to nine IO lines, two serial ports, and phone/audio connectors.

Replaced by the TC65 Quad-band.

Dual-Band EGSM900 and GSM1800
Compliant with GSM phase 2/2+
Output power:
  - Class 4 (2 W) for EGSM900
  - Class 1 (1 W) for GSM1800
Control via AT commands
SIM Application Toolkit
Multiplex serial interface, RS232 compatible
Supply voltage range 3.2 - 4.5 V
Power save mode
Low power consumption:
  - Idle mode (registered) 25 mA
  - Speech mode 300 mA (average)
  - GPRS mode 360 mA (average)
  - Peak <2.5 A
  - Power down 50 µA
  - Sleep mode 3.0 mA
Dimensions: 53 x 34 x 3.5 mm
Weight: 10 g
Ambient temperature: -20 °C - +55 °C
Auto switch-off at +70 °C

Specification for audio:
Half rate (HR)
Full rate (FR)
Enhanced full rate (EFR)
Basic hands-free operation
  - Echo cancellation
  - Noise reduction

Specifications for open software platform:
Java ME
Flash file system (300kB)
PC-emulator with debug environment
CLDC 1.0 standard
IMP 1.0 standard

Specifications for SMS:
Point-to-point Mo and MT
SMS cell broadcast
Text and PDU mode

Specifications for data transfer:
GPRS class 8
Full PBCCH support
MS class B
CS 10-4
CSD up to 14.4  kbit/s
Non transparent mode

50-pin board
  - Power supply
  - SIM 3 V
  - RS232 bidirectional bus
  - Auto bauding
  - Analogue audio
  - 9 GPIO’s configurable as digital audio interface, second serial interface or digital ports
Antenna connector Hirose, 50 Ω

Additional features:
Phone book
Multiparty call
Call diverting
Real-time clock
Alarm management
Multiple ringing tones
Dual Tone Multi Frequency
Application software update over the air (OTA)