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Siemens M1

This is an early GSM data modem made by the German manufacturer Siemens around 1997.

It supports
  • voice calls
  • transparent CSD (Circuit Switched Data)
  • Fax over GSM

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Hardware

Terminal / Modem

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GSM Module

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Major part numbers

Manufacturer Part Description Data Sheet
Siemens PMB 2705F V3.2 Digital Baseband GOLD (GSM One-Chip Logic Device) PEB2025.pdf
Mitsubishi M5M5256CVP70LL-I Flash for Digital Baseband
Siemens PMB 2900H V3.4 Analog Baseband PEB2025.pdf
Siemens PMB 2401 I/Q Down-Converter PMB2401.PDF
Analog Devices ADSP-21MSP59 Digital Signal Processor ADSP-21msp58_AnalogDevices.pdf
ST M29F040-120N5 Flash for DSP
Zilog Z8018233ASC Z8S180 Microcontroller Z80182.PDF
Linear LTC1338IG RS232 Transceiver LTC1338.PDF
Epson SRM24A256LLTMT1 Flash?
AMD AM29F040 NOR Flash

Documentation

Files (23)
20231202_194331.jpg View 20231202_194331.jpg 1.68 MB laforge, 12/02/2023 06:52 PM
20231202_194318.jpg View 20231202_194318.jpg 1.69 MB laforge, 12/02/2023 06:53 PM
20231202_194300.jpg View 20231202_194300.jpg 1.26 MB laforge, 12/02/2023 06:53 PM
20231202_194241.jpg View 20231202_194241.jpg 1.53 MB laforge, 12/02/2023 06:53 PM
20231202_194223.jpg View 20231202_194223.jpg 1.58 MB laforge, 12/02/2023 06:54 PM
20231202_194208.jpg View 20231202_194208.jpg 1.27 MB laforge, 12/02/2023 06:54 PM
20231202_194151.jpg View 20231202_194151.jpg 1.74 MB laforge, 12/02/2023 06:54 PM
20231202_194138.jpg View 20231202_194138.jpg 1.41 MB laforge, 12/02/2023 06:54 PM
20231202_194125.jpg View 20231202_194125.jpg 1.14 MB laforge, 12/02/2023 06:54 PM
20231202_194102.jpg View 20231202_194102.jpg 1.33 MB laforge, 12/02/2023 06:55 PM
20231202_194044.jpg View 20231202_194044.jpg 972 KB laforge, 12/02/2023 06:55 PM
20231202_194026.jpg View 20231202_194026.jpg 1.07 MB laforge, 12/02/2023 06:55 PM
20231202_194006.jpg View 20231202_194006.jpg 1.38 MB laforge, 12/02/2023 06:55 PM
20231202_193948.jpg View 20231202_193948.jpg 1.58 MB laforge, 12/02/2023 06:56 PM
20231202_193935.jpg View 20231202_193935.jpg 1.4 MB laforge, 12/02/2023 06:56 PM
20231202_193922.jpg View 20231202_193922.jpg 1.49 MB laforge, 12/02/2023 06:56 PM
20231202_193911.jpg View 20231202_193911.jpg 1.48 MB laforge, 12/02/2023 06:56 PM
gsm-m1-e.pdf View gsm-m1-e.pdf 539 KB laforge, 12/02/2023 07:01 PM
ADSP-21msp58_AnalogDevices.pdf View ADSP-21msp58_AnalogDevices.pdf 373 KB DSP laforge, 12/02/2023 07:04 PM
PEB2025.pdf View PEB2025.pdf 3.09 MB laforge, 12/02/2023 07:07 PM
PMB2401.PDF View PMB2401.PDF 675 KB GSM Receiver Circuit laforge, 12/02/2023 07:08 PM
LTC1338.PDF View LTC1338.PDF 229 KB RS232 Transceiver laforge, 12/02/2023 07:09 PM
Z80182.PDF View Z80182.PDF 739 KB Z80S180 Microcontroller laforge, 12/02/2023 07:10 PM

Updated by laforge 5 months ago · 9 revisions

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