
WM2C-G900/G1800 08/01/00
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2. Functionalities
2.1. General Information
WISMO2C is a self-contained EGSM/DCS dual band module
including the following features :
• 58.3 x 32.2 x 6,0 mm external dimensions
• 2 Watts EGSM radio section running under 3,6 Volts
• 1 Watt DCS radio section running under 3,6 Volts
• Digital section under 2.8 Volts
• 3V SIM interface
• Real Time Clock with calendar
• Battery charger
• Echo Cancellation
• Full GSM software stack
• Complete shielding
• Complete interfacing (LCD, keyboard, audio...)
The WISMO2C module has two external connections :
• RF Connector (to the antenna)
• General Purpose Connector (GPC) to Digital, Keyboard, Audio
and Supply
WISMO2C is designed to fit in a very small handset and only some
custom functions have to be added to make a complete Dual Band
handset :
• Keypad and LCD module
• Earpiece and Microphone
• Base connector
• Battery
• Antenna switch
• Sim connector
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