Performance And Technical Characteristics
Dimension | GSM | GSM 1800 | GSM 1900 |
| 900 |
|
|
|
|
|
|
Frequency range | TX: 880 – 914 MHz | TX: 1710 – 1785 | TX: 1850 – 1910 |
| RX: 925 – 959 MHz | RX: 1805 – 1880 | RX: 1930 – 1990 |
|
|
|
|
Channel spacing | 200 kHz | 200 kHz | 200 kHz |
|
|
|
|
Number of channels | 174 Carriers *8 | 374 Carriers *8 | 299 Carriers *8 |
| (TDMA) | (TDMA) | (TDMA) |
|
|
|
|
Modulation | GMSK | GMSK | GMSK |
|
|
|
|
TX Phase Accuracy | < 5º RMS Phase | < 5º RMS Phase | < 5º RMS Phase |
| error (burst) | error (burst) | error (burst) |
|
|
|
|
Duplex spacing | 45 MHz | 95 MHz | 80 MHz |
|
|
|
|
Frequency stability | +/- 0.1 | +/- 0.1 | +/- 0.1 |
|
|
|
|
Voltage operation | 3.6 Volts | 3.6 Volts | 3.6 Volts |
(nominal) |
|
|
|
|
|
|
|
Transmitter RF | 33 dBm Class 4 (2W | 30 dBm Class 1 (1W | 30 dBm Class 1 (1W |
power output | peak) | peak) | peak) |
|
|
|
|
Transmitter Output | 50 Ω | 50 Ω | 50 Ω |
impedance |
|
|
|
|
|
|
|
Transmitter Spuri- | < | < - 30 dBm | < - 30 dBm |
ous emission | GHz | (according to GSM | (according to GSM |
| < | spec.) | spec.) |
| GHz |
|
|
| (according to GSM |
|
|
| spec.) |
|
|
|
|
|
|
Receiver RF level | Better than – 102 | – 102 dBm | – 102 dBm |
| dBm |
|
|
|
|
|
|
Receiver RX Bit | < 2.4% | < 2.4% | < 2.4% |
error rate |
|
|
|
|
|
|
|
46