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Air Transportation

Keeping airports moving on time is one of the world’s great logistical challenges, and two-way radios play an important role in co-ordinating operations in the terminal and on the ground.

The size and architecture of airports present challenges to the implementation of all types of communications systems, which have to be reliable, responsive and robust. One of the biggest challenges is the requirement to cover expansive indoor spaces, whilst also ensuring full coverage of runways and outdoor areas. All of this must be achieved whilst being mindful of the key resilience of the system.

The careful and correct use of repeater and antenna systems allows complete coverage at the highest efficiency and resilience. One of the more unique challenges to be faced in the indoor airport areas is the complex mix of different spatial environments. Many sections, such as deep indoor luggage sorting areas, are well isolated from the radio network. This, combined with heavy use of metal as a build material can pose a challenge for radio transmission and reception.

No one size fits all when designing a communications system; careful consideration of redundancy requirements in the event of an emergency is key. Network capacity needs to be designed to consider additional communication requirements in the event of an emergency. Most airports will operate an Airport Emergency Plan (AEP) to help everyone deal with the aftermath of an emergency or disaster. All of these AEP’s will list a contact number of the people and groups that help coordinate an AEP such as…

•   Airport Emergency Response Coordinator
•   Airport manager
•   Airport Rescue and Firefighting Crews (ARFF)
•   Airport security team
•   Air carriers and other airport occupants
•   Air traffic control
•   Community emergency management teams
•   Local law enforcement
•   Local hospitals and other medical teams
•   Media outlets
•   FAA
•   NTSB
•   Government officials, in the event of an act of terrorism
•   Military agencies, if available

Virtually no airport has sufficient resources to respond to every emergency situation independently. Each airport must rely to some degree on the resources from its surrounding communities. It is essential to prepare for emergencies that airports face, in order to be able to respond quickly, efficiently and effectively.

We also need to consider the functionality given to end users. Some may just require simple ‘open-channel’ group communication to talk to team members, but others may need to make private calls to colleagues, operate in dynamic groups or need lone worker functionality. Control room solutions also need to be considered, giving dispatchers an interface which enables them to efficiently manage multiple communication streams.

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Two-way radios can be broken down into two main areas - Licensed Radio & Unlicensed PMR446 Radio . Both of these types of radio operate in essentially the same way, but the output power of the radios, coverage area and number of other users on the channel varies.

So, what’s the difference between Licensed and Unlicensed? Unlicensed radios operate on PMR446 frequencies, and are limited by law to 0.5W of output power, that’s only 1/10th of the output of a licenced handheld radio. This limits the range of the radios, which, like any other radio, can vary greatly depending on the terrain and number of buildings in the area. License-free frequencies are common across most of Europe, which makes them ideal for use in both the UK and when oversees.

Licensed radios have a maximum output power of 5W for handportables, and 25W for vehicle mobile units. The increased power helps with increasing coverage, and as licensed spectrum is controlled by the local licensing authority (OFCOM in the UK), the chances of encountering other users or interference on your frequency are reduced. You need to pay for licensed frequencies, and the cost varies depending on what your requirements are, how congested the spectrum is, and where you are located. Contact us, and we’ll advise you on the best approach to take.

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Frequency (UHF & VHF)

UHF (ultra-high frequency) and VHF (very high frequency) are both bands of frequency spectrum which can be used to make two-way radios communicate. Your decision will depend on a variety of factors; what frequency spectrum is available, have you got existing radios you’d like to integrate with, and which option will provide the best coverage and performance for your needs.

Most of the leading radios from Motorola Solutions and Hytera are available in both UHF and VHF, and your trusted advisor at Roadphone NRB will advise you on what’s best for you.

Which technologies work best?

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AES Encryption
16-bit Basic Privacy, 40-bit Enhanced Privacy or 256-bit AES256 encryption

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SIP Interconnect
Connect your radio system to a SIP based phone system allowing you to make direct calls to desk phones

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connects to alarm sources and sends text messages via the radio network if a threshold level is reached.

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Indoors Location Tracking
GPS Signal drops indoors, a separate indoor tracking system can located users instantly.

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Event Logs
Detailed event logging on the system which can be reviewed by approved users.

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Alarms & Lone Worker
Messages at specific time intervals to confirm workers wellbeing, managers are reassured that their employees are safe.

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GPS Location Tracking
Better respond to chalanges with up-to-date location information.

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Voice Announcements
Make voice announcements from the control room, to groups or individuals.

Your handportables...

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Motorola Solutions DP4601e

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deliver unrivaled voice and data communications with optional integrated GPS and Bluetooth data.

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Hytera PD755

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The radios in the PD7 series possess both an analog mode and a digital mode and are compatible with analog radio systems.

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Motorola Solutions DP4401e

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easy to use and features up to 32 channel capacity, five programmable buttons and a dedicated emergency button

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For your vehicles...

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Motorola Solutions DM1400

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DM1400 mobile radio is a reliable, cost-effective solution to keep your team in contact so they can communicate.

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Motorola Solutions DM4400

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fully-featured mobile transforms your enterprise, delivering unrivaled voice and data communications

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Hytera MD625

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Easy to operate and offering excellent value for money, the MD625 is a cost-effective yet powerful digital mobile radio.

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Discover your recommended solution today: New digital systems from Roadphone NRB allow you to benefit from an increase in coverage and capacity whilst remaining cost effective.

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