White paper G900c
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Illumination | Variable intensity backlight |
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Performance and technical characteristics
Dimension | GSM 900/ | GSM 1800 | GSM 1900 |
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Frequency range | TX: 880 – 915 | TX: 1710 – 1785 | TX: 1850 – 1910 |
(MHz) | RX: 925 – 960 | RX: 1805 – 1880 | RX: 1930 – 1990 |
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Channel spacing | 200 kHz | 200 kHz | 200 kHz |
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Number of channels | 174 Carriers *8 (TDMA) | 374 Carriers *8 (TDMA) | 299 Carriers *8 (TDMA) |
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Modulation | GMSK | GMSK | GMSK |
TX Phase Accuracy < 5º RMS Phase error | < 5º RMS Phase error |
(burst) | (burst) |
<5º RMS Phase error (burst)
Duplex spacing | 45 MHz | 95 MHz | 80 MHz |
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Frequency stability | +/- 0.1 ppm | +/- 0.1 ppm | +/- 0.1 ppm |
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Voltage operation | 3.6 V | 3.6 V | 3.6 V |
(nominal) |
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Transmitter RF | 33 dBm Class 4 | 30 dBm Class 1 | 30 dBm Class 1 |
power output | (2 W peak) | (1 W peak) | (1 W peak) |
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Transmitter Output | 50 Ω | 50 Ω | 50 Ω |
impedance |
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Transmitter | < | < | < |
Spurious emission | < | (according to GSM spec.) | (according to GSM spec.) |
| (according to GSM spec) |
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Receiver RF level | Better than – 102 dBm | – 102 dBm | Better than – 102 dBm |
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Receiver RX Bit | < 2.4% | < 2.4% | < 2.4% |
error rate |
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Current consumption, talk and standby times
Talk time | GSM up to 8 hours |
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Operating time | Up to 8 hours |
| Music playback up to 27 hours |
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Standby time | GSM up to 300 hours |
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62 | August 2008 |