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Beam Dual Mode Iridium/GPS Antenna (RST702)

$495.00 $548.00 You save 10%
Availability: In Stock
  • Designed predominantly for maritime applications
  • Fitted with an SMA female connector for GPS
  • Will work with all Beam tracking products or other Iridium/GPS based devices
Tags: Iridium, Antennas SKU: SPS-ANT-10069
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The Beam RST702 dual mode Iridium & GPS antenna, designed predominantly for maritime applications. The antenna is supplied complete with a PVC pipe, 30cm (11.8inches) that enables it to be securely mounted without the connectors being exposed to the environment. The antenna is fitted with an SMA female connector for GPS and a SMA for Iridium and will work with all Beam tracking products or other Iridium / GPS based devices.

Does RF Interference affect the satellite signal?

All wireless devices, including satellite telephones, are susceptible to RF (Radio Frequency) interference from other electronic devices. This problem is especially evident when numerous antennas and broadcasting devices are located within close proximity to each other.

A good example would be onboard a ship. It is important that certain considerations be taken into account for best performance when an Iridium system is installed.

Causes of RF Interference

Some subscribers have contacted Iridium regarding the loss of signal quality when they operate their equipment near active INMARSAT terminals. The power with which INMARSAT units transmit can overpower the Iridium unit’s ability to properly maintain a quality connection with the Iridium satellite constellation. INMARSAT terminals are often found in the same locations as Iridium subscribers, such as harbors, airports and especially onboard ships.

The location of the INMARSAT unit’s antenna in relation to the Iridium unit’s antenna plays a significant role in determining the degree of signal degradation that an Iridium subscriber can expect to experience. All Iridium units are susceptible to this interference, regardless of the type of antenna being used.

Generally speaking, an Iridium unit, be it a handset using its integral antenna or a fixed terminal when attached to an externally mounted antenna and located within 15 and 45 meters (50 to 150 feet, respectively) of an operating INMARSAT mini-M / GSPS / Fleetphone / IsatPhone link or Standard-C terminal, will likely experience degraded performance.

Inmarsat antennas can experience interference from other Inmarsat devices as well as radar or broadcast services and other RF transmitting devices.

My terminal / docking station continues to display "Searching Satellite / Network..."

Ensure your terminal’s antenna is installed where there are no obstructions and has a clear line of sight to the satellite with no obstacles which could block the signal.

Check the antenna cable and all connections are secure and no bends or breaks/cuts in the cable.

Check for any RF interference near the antenna that maybe causing problems. If there is, shut them down and re test, if works ok, then you will have to relocate the antenna elsewhere.

Check with your service provider that the service has been activated.

Check your coverage map to ensure service is available at your location.

Technical Specifications

  • 4.5oz or .28lb Max
  • Amplifier gain : Iridium Passive
  • Connector : SMA
  • Finish : Weatherable, Polymer
  • Power handling : 10 Watts
  • VSWR : < 2.0 : 1
  • Impedance : 50 OHMS
  • Noise figure : 88 x 1192.5db Max
  • Axial ratio : L 3db Max
  • Polarization : Right Hand Circular
  • Frequency : 1621 +/- 5MHz 1575 +/- 5MHz

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