Passive antenna systems
Advantages: | Disadvantages: |
· Supports Analogue and Digital VHF / UHF radios | · Antennas max 50m apart (UHF) 100m (VHF) |
· Low-cost hardware | · Can only link 2 or 3 blackspot areas together |
· Relays all simplex channels | · Antennas and cables need installing |
· Can be installed in intrinsically safe areas |
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UHF Repeaters
Advantages: | Disadvantages: |
· Supports Analogue and Digital VHF / UHF radios | · Requires antenna / leaky feeder installation (moderate / high complexity / cost) |
· No distance limitation on location of repeater(s) | · Provides a single channel per Repeater (Analogue) or two channels (DMR slot 1 & 2) |
· IP roaming supported by some repeaters | · IP roaming requires more channels |
· Intrinsically safe and non-IS versions available |
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