|
Radio Specifications |
| |
| uplink (handset transmit): |
1805-1880 MHz |
| downlink (handset receive): |
1710-1785 MHz |
| multiple access scheme: |
FDTDMA/FDMA |
| |
(time division access on multiple frequency bands) |
| |
| duplexing scheme: |
FDD |
| TX/RX spacing: |
45 MHz |
| channel spacing: |
200 kHz |
| total number of radio channels: |
3000-6000 |
| channel bit rate: |
270.833 kb/sec |
| full rate channels per carrier: |
8-16 |
| modulation: |
GMSK with BT=0.3 |
| filter: |
0.3 Gaussian |
| |
|
| transmit power (mobile unit): |
250 mW to 2 W |
| max transmit power (base): |
425 dBm [20 Watts) |
| max TX/RX distance: |
8 km |
| |
|
| full speech coder bit rate: |
13 kbit/sec |
| equalization for multipath delay: |
16 microseconds |
| full rate transmission delay due to interleaving: |
65 milliseconds |
| optional frequency hopping: |
217 hops/sec (slow hopping) |
| Half rate channels for data and speech |
| Discontinuous transmission |
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