| General |
| Operating Frequency |
VHF: 136-174MHz/UHF1: 400D-470MHz/UHF3: 350-400MHz/UHF5: 806-825MHz, 851-870MHz/896-902MHz, 935-941MHz |
| Carrier Spacing |
Cavity Combiner: ≥250KHz;
Wideband Combiner: ≥25KHz (only for base station with less than 4 carriers) |
| Multi-access Method |
FDMA/TDMA |
| Duplex Spacing |
5.3MHz (VHF)/10MHz (U1, U3)/45MHz 39MHz (U5) |
| Modulation |
4FSK (index: 0.27) |
| Transmission Rate |
9.6 kbps |
| Full Load Power Consumption |
4-carrier: ≤1200W; 8-carrier: ≤2400W |
| Dimensions (W×D×H) |
Without casters: 600×600×1430mm; With casters: 600×600×1520mm (4-carrier (29U));
Without casters: 600×600×2000mm; With casters: 600×600×2090mm (8-carrier (42U)) |
| Weight (fully configured) |
4-carrier: 230kg; 8-carrier: 314kg |
| The Number of MSO |
16 |
| The Number of Base Stations |
100 |
| Maximum Number of Single-station Carrier |
16 |
| User Capacity |
322000 |
| Group Call Capacity |
70000 |
| Dispatcher Capacity |
128 |
| Network Management Terminal |
32 |
| Calls per PSTN Gateway |
60 |
| Calls per MPT Gateway |
16 |
| Group Call Set-up Duration (ms) |
＜300 singe MSO |
| Receiver |
| Static Sensitivity |
≤-118dBm @ BER5% (no diversity); ≤-122dBm @ BER5% (diversity); |
| Dynamic Sensitivity
(no diversity, attenuated by
8km/hr and 100km/hr) |
-108dBm @ BER5% (no diversity); -112dBm @ BER5% (diversity) |
| Rx Path |
3 RX paths per CHU, allowing the base station to receive via 3 diversities at most |
| RX Input Level |
-122~-7dBm |
| Blocking |
≥84dB |
| Common Channel Rejection |
-12dB~0 |
| Adjacent Channel Selectivity |
Normal:≥60dB @12.5KHz; Limit:≥50dB @12.5KHz |
| Intermodulation Response Rejection |
≥70dB |
| Spurious Emission |
≤-57dBm @ 100KHz @ 9.00~1.00GHz; ≤-47dBm @ 1.0MHz @ 1.00~12.75GHz |
| Transmitter |
| TX Power |
VHF, UHF1, UHF3: ≤50W per carrier frequency; UHF5: ≤35W per carrier frequency |
| Output Power Variation Tolerance |
Normal: ±1.5dB; Limit: -3~+2 dB |
| Bandwidth |
≤8.5kHz @ 3dB |
| Modulation Accuracy |
Normal: ≤5.0%; Limit: ≤10.0% |
| Frequency Offset |
≤±100Hz |
| Intermodulation Attenuation |
Normal: ≤-60dBc; Limit: ≤-50dBc |
| Adjacent Channel Power Rejection (ACPR) |
≥60dB (12.5kHz) |
| Transient Switch ACPR |
±12.5KHz: ≥50dB (only for devices adopting the TDMA technology) |
| Spurious Emission |
≤-36dBm @ 100KHz @ 9.00~1.00GHz; ≤-30dBm @ 1.0MHz @ 1.00~12.75GHz |
| Reliability |
| Mean Time between System Failures (MTBF) |
100,000 hours |
| Mean Time to Repair (MTTR) |
30 minutes |
