Mexico City Airport chooses Sepura TETRA radios

Wednesday, 11 July, 2018

Mexico City Airport chooses Sepura TETRA radios

The TETRA network at Mexico City International Airport (AICM) has been updated with Sepura radios.

This network is now fully operational following its initial rollout in the first quarter of 2018. Officially known as Benito Juárez International Airport, the international hub serves Mexico City and the surrounding areas.

It is one of Latin America’s busiest airports, with over 100,000 passengers passing through each day. Statistics from 2017 showed a 7.2% increase of passengers (45 million passengers in total) compared to 2016. More than 2500 employees are based on-site.

AICM’s TETRA system includes three base station sites with interconnection to analog gateways which allow the new TETRA network to connect to legacy radio technologies. This key functionality enables dispatchers to listen to all radio communications from one integrated communications system, improving efficiency and security across the site. The system is also interconnected to the airport’s PABX telephone system allowing radio users to perform calls to fixed landlines or mobile phones from their TETRA radio, ensuring simplicity of communication and reducing the expenditure on further communication devices. Crucially, the network has successfully achieved 99.9% coverage to meet one of the airport’s key operational requirements.

The airport previously had an analog trunked system that suffered from operational limitations: outdated technology which could not be upgraded; poor audio quality; insufficient coverage, lack of data capability and limitations on voice call functionality. The system also had no interconnection gateways and insufficient security to protect the network from cyber threats. Due to rapid increases in airport traffic, the airport operators needed to upgrade their communications system to one that matched international standards for robustness, reliability and security. The airport’s decision to switch to TETRA would allow for enhanced existing operations and future growth in user numbers and functionality.

The new network increased site security through air interface encryption and authentication, ensuring communications are secure. The airport also now has GPS monitoring of emergency and runway service vehicles, enabling dispatchers to locate users working on the external side of docking gates, where they were previously out of sight.

Spread across the two airport terminals, AICM’s system will utilise over 500 Sepura SC20 hand-portable radios, alongside over 130 SRG3900 desk- and vehicle-mounted mobile radios. The SC20 terminals were chosen for their combination of ruggedness, ease of use and audio quality — especially important in the extremely noisy airport environment — and the SRG3900 mobile devices complemented these by enabling DMO gateway functionality to extend coverage to lower user density areas which still required coverage. A further key advantage of the Sepura terminals was the ability to add future functionality.

Despite a high density of users, TETRA systems offer greater talk group capacity, which facilitates better resource management. In addition, operational benefits have been delivered through significantly reduced call queue times. The new system also offers redundancy, ensuring communications are not compromised in the event of failure. Users themselves benefit from improved voice quality, enhanced security and added functionality, including Water Porting technology, whereby water is expelled from the microphone and speakers, ensuring consistently good audio quality.

“As a Sepura Channel Partner, we continue to bring the quality and robustness of Sepura’s TETRA products to Mexico. We are pleased to announce that this is the first TETRA radio project for an airport in this country, especially in AICM — the busiest airport in the country. We are confident that the implementation of Sepura technology will expand the capabilities of the airport personnel with mission-critical voice and data services,” said Jorge Morera, Commercial Director at Jomtel.

“Airports are busy, noisy environments which need reliable, robust and secure communications. Mexico City International Airport is the first to recognise the benefits of TETRA for airports in Mexico — we look forward to expanding our offering to other airports in the region to enhance the security and communication aspect of their daily operations,” said Ivan Vargas, Sepura’s Business Development Manager for Mexico.

Image caption: Sepura’s SC20 hand-portable terminal in use at Mexico City’s Benito Juárez International Airport. (Credit: Sepura)

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