Modulo GSM Siemens M20 comanda à distancia portões / maquinas ou o equipamento que desejar, conecta comunicações complexas entre qualquer equipamento, maquina etc., por telemetria, telematica a partir de um telemovel sem necessidade de qualquer outro equipamento e a custo zero pois não conecta chamadas.
General product description M20
Version 5 dated 01.03.99
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Siemens Information and Communication Products
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3 General product description M20
The Siemens M20 combines all the features required by developers and users. It is designed both for handling
complex industrial applications such as telemetry, telematics or communication, and for integration in station-
ary or mobile fields all over the world.
The most important features are:
• Top quality according to "normal mobile station" requirements (–104 dBm sensitivity) instead of "small
mobile station" requirements (–102 dBm sensitivity).
• Voice transmission with Enhanced Full Rate EFR and Full Rate FR
• Data transmission rate up to 14400 bit/s transparent and non-transparent
• Group 3 fax service
• SMS (text mode, PDU, MT, MO) and SMS Cell Broadcast
• Integrated echo suppression and noise reduction for handset
• Digital audio interface
•SIM Lock
• Network and service provider personalization according to GSM 02.22
• Reloadable software
• GSM900 phase II
• Compatible in terms of function and control with the GSM modules M1 and A1
• 2W power part (class 4)
• Single input voltage (6.0 V)
Average current: speech mode 200mA/idle mode 20mA
• Dimensions L x W x H in mm: 86.8 x 41.4 x 11.2.
• Weight: 38 g
• Temperature range: –20°C to +55°C