Siemens tc45

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

It is based on the J2ME 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.

Application example: [http://www.vierling.de/www_vierling/gsm_gateways_overview-en_135_130_11_f.htm GSM gateways]

FeaturesDual-Band EGSM900 and GSM1800Compliant with GSM phase 2/2+Output power: - Class 4 (2 W) for EGSM900 - Class 1 (1 W) for GSM1800Control via AT commandsSIM Application ToolkitMultiplex serial interface, RS232 compatibleSupply voltage range 3.2 - 4.5 VPower save modeLow 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 mADimensions: 53 x 34 x 3.5 mmWeight: 10 gAmbient temperature: -20 °C - +55 °CAuto 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:J2MEFlash file system (300kB)PC-emulator with debug environmentCLDC 1.0 standardIMP 1.0 standard

Specifications for SMS:Point-to-point Mo and MTSMS cell broadcastText and PDU mode

Specifications for data transfer:GPRS class 8Full PBCCH supportMS class BCS 10-4CSD up to 14.4 kbit/sUSSNon transparent modeV.110

Interfaces: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 portsAntenna connector Hirose, 50 Ω

Additional features:Phone bookMultiparty callCall divertingReal-time clockAlarm managementMultiple ringing tonesDual Tone Multi FrequencyApplication software update over the air (OTA)