The organisation is taking satellite mobile and fixed telecoms tools from the US base in Managua, and reinforcements will be sent from its international headquarters.
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The charity said there is currently next to no infrastructure near capital Port au Prince and contact cannot be made with the airport. The team will fly to Saint-Domingue and travel to the capital, where the 7.0 magnitude earthquake struck.
Communications equipment is vital during the aftermath of a natural disaster, allowing NGOs, the UN and local authorities to communicate. It allows aid efforts to be co-ordianated and can provide civilians with a link to the outside world.
This is the fifth trip to Haiti for TSF, with the country having suffered a range of natural disasters in recent years, including several hurricanes.
They will be joined in the country by the International Telecommunications Union, a UN agency, which announced yesterday it would send $1m worth of equipment and expertise.
Photo: Rex Features