Siemens M1 » History » Revision 6
Revision 5 (laforge, 12/02/2023 06:59 PM) → Revision 6/9 (laforge, 12/02/2023 07:02 PM)
{{>toc}} h1. Siemens M1 This is an early GSM data modem made by the German manufacturer Siemens around 1997. It supports voice calls and [[cellular-infrastructure:CSD]] (but only transparent CSD). {{thumbnail(20231202_194331.jpg)}} {{thumbnail(20231202_194318.jpg)}} h2. Hardware h3. Terminal / Modem {{thumbnail(20231202_194300.jpg)}} {{thumbnail(20231202_194241.jpg)}} {{thumbnail(20231202_194223.jpg)}} {{thumbnail(20231202_194208.jpg)}} {{thumbnail(20231202_194151.jpg)}} h3. GSM Module {{thumbnail(20231202_194138.jpg)}} {{thumbnail(20231202_194125.jpg)}} {{thumbnail(20231202_194102.jpg)}} {{thumbnail(20231202_194044.jpg)}} {{thumbnail(20231202_194026.jpg)}} {{thumbnail(20231202_194006.jpg)}} {{thumbnail(20231202_193948.jpg)}} {{thumbnail(20231202_193935.jpg)}} {{thumbnail(20231202_193922.jpg)}} {{thumbnail(20231202_193911.jpg)}} h3. Major part numbers |_.Manufacturer|_.Part|_.Description| |Siemens|PMB 2705F V3.2|Digital Baseband| |Mitsubishi|M5M5256CVP70LL-I|Flash for Digital Baseband| |Siemens|PMB 2900H V3.4|Analog Baseband| |Siemens|PMB 2401|?| |Analog Devices|ADSP-21MSP59|Digital Signal Processor| |ST|M29F040-120N5|Flash for DSP| |Zilog|Z8018233ASC|?| |Linear|LTC1338IG|?| |Epson|SRM24A256LLTMT1|Flash?| |AMD|AM29F040|NOR Flash| h2. Documentation * English-Language user manual: attachment:gsm-m1-e.pdf