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Beam RST520 – Active antenna
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Main characteristics
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Beam RST520 Active Iridium Antenna can support up to 55m of LMR400 cable and longer cable runs can be supported with lower loss cables. Designed for harsh environments, the RST520 consists of two dipole antenna, one antenna for transmit and one for receive. A power amplifier within the base and connected to the transmitting antenna compensates for signal loss incurred mainly by the connecting cable. Similarly, a low noise amplifier is attached to the receiving antenna via a low loss inter-digital filter to boost the signal sent to the telephone. The inter-digital filter has a bandwidth of 12 MHz centred on the Iridium band designed to attenuate any out of band interference that may arise, for example from nearby Inmarsat uplinks.
The RST520 Active Iridium Antenna can support an antenna cable loss of up to 12db and still maintain proper connection to the Iridium Network, an ideal antenna system for when there is no option but to have the terminal located a long distance from the terminal.
Features
The RST520 Active Iridium Antenna can support an antenna cable loss of up to 12db and still maintain proper connection to the Iridium Network, an ideal antenna system for when there is no option but to have the terminal located a long distance from the terminal.
Features
- Iridium approved
- Designed for harsh environments
- Includes mounting Bracket
- Can support up to 12db loss through the cable
- Excellent for very long antenna cable runs
- Includes 9-36V DC power supply
Land
Sea
- Tall Buildings
- Remote Homesteads
- Fixed locations with poor visibility to the sky
Sea
- Boats / Ships
Antenna Cable required
Beam can make a custom cable kit to the exact length required for your application. The length you require will determine the type of cable you require. The longer the run, the thicker the cable will need to be.
As example, see the table below to see various cable types and the maximum length you can run each type.
Beam can make a custom cable kit to the exact length required for your application. The length you require will determine the type of cable you require. The longer the run, the thicker the cable will need to be.
As example, see the table below to see various cable types and the maximum length you can run each type.
| Cable Type | Cable db Loss per meter | Maximum length |
| LMR 400UF
LMR 500UF LMR 600UF LCF 7850J | 0.210
0.170 0.140 0.058 | 54m
67m 82m 198m |
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