Operating System Support |
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| Supported Operating |
| Microsoft Windows 98SE |
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| Systems |
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| Microsoft Windows Me |
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| Microsoft Windows 2000 (SP2) |
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| Microsoft Windows XP |
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| Minimum PC |
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| Processor size as recommended by Microsoft for | ||||
| Specification |
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| the version of Windows® in use |
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| 30 MB free disk space |
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| Drivers |
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| Microsoft | ||||
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Supplied Software (on |
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| GC79 Manager |
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| Status, SMS, Address Book and Settings | ||||
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| Documentation |
| User Manual |
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| AT Command Reference |
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GSM Performance and technical characteristics |
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| Dimension |
| GSM 900/ | GSM 1800 | GSM 1900 | |||
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| Frequency |
| TX: 880 – 914 MHz | TX: 1710 – 1785 MHz | TX: 1850 – 1910 MHz | |||
| Range |
| RX: 925 – 959 MHz | RX: 1805 – 1880 MHz | RX: 1930 – 1990 MHz | |||
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| Channel |
| 200 kHz |
| 200 kHz | 200 kHz | ||
| Spacing |
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| Number of |
| 175 Carriers * 8 | 374 Carriers * 8 | 299 Carriers * 8 | |||
| Channels |
| (TDMA) |
| (TDMA) | (TDMA) | ||
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| Modulation |
| GMSK |
| GMSK | GMSK | ||
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| TX Phase |
| 5 degrees (RMS) | 5 degrees (RMS) | 5 degrees (RMS) | |||
| Accuracy |
| 20 degrees (Peak) | 20 degrees (Peak) | 20 degrees (Peak) | |||
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| Duplex |
| 45 MHz |
| 95 MHz | 80 MHz | ||
| spacing |
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| Frequency |
| 0.1ppm |
| 0.1ppm | 0.1ppm | ||
| Stability |
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| Transmitter |
| 33 dBm Class 4 | 30 dBm Class 1 | 30 dBm Class 1 | |||
| RF Power |
| 2 W peak |
| 1 W peak | 1 W peak | ||
| Output |
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| Transmitter |
| 50Ω |
| 50Ω | 50Ω | ||
| Output |
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| Impedance |
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| Transmitter |
| According to GSM | According to GSM | According to GSM | |||
| Spurious |
| specification | specification | specification | |||
| Emission |
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64 | Additional Information |