January 2001/ version 1.4
WMOi3 Integrated Modem
confidential ©
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1.2 General characteristics
1.2.1 General
• Dual Band GSM modem E-GSM 900/1800 or E-GSM 900/1900
• Class 4 (2W at 900MHz)
• Class 1 (1W at 1800/1900 MHz)
• Small size and low power consumption
• Voice, SMS
• fax and data transmission without extra hardware
• Tricodec (FR/EFR/HR)
• Internal 3V SIM interface
• Easy remote control by AT commands for dedicated applications
• Fully Type Approved according to GSM Phase 2+ specifications
• Fully shielded and ready-to-use
1.2.2 Electrical
• Power supply: 5 VDC +/- 5% 1A
• 300 mA average in GSM 900 at Tx power max 2W
• 9 mA in idle mode
1.2.3 Physical
• Absolute maximum dimension: 46 x 64 x 12 mm
• Weight: 90 g
• Volume: 36.21 cm3
• Casing: Complete shielding-stainless steel-
• Mounting: 4 screw holes
• Operating temperature range: -20°C to + 55°C
• Storage temperature: -35°C to +85°C
1.2.4 Basic Features
1.2.4.11.2.4.1 telephonytelephony
• Telephony (TCH/FS) & Emergency calls
• Full Rate, Enhanced Full Rate and Half Rate
• Dual Tone Multi Frequency function (DTMF)
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