Category Archives: International telecoms

Latest iPad contains Apple SIM supporting multiple carriers – reports

Late this week, various media are reporting that the latest iPads sold in the USA & UK offer the option of an Apple SIM supporting multiple USA & UK mobile operators.  If true (and with the evidence, it must be), this represents a fundamental shift in the power relationship between network operators and equipment vendors.  Check out the graphic below.


Suddenly, the customer can choose EE in the UK and Sprint (or whoever offers prepaid data cheapest) in the USA.  The network operator is reduced to providing the bit-pipe, and far worse, the customer can choose between competing service providers at the point of purchase of the service, like we do with buying most other services.  Because there is no voice service, there is no need for a phone number – another tie to the operator broken.   How does Apple replicate the SIM functionality in software?  We don’t yet know, but it represents huge possibilities for change in the mobile industry.

Of course, there may be economic or usability barriers to using the service which may mean that in practice, the customer is restricted to one operator per country.  Even then, it would wipe out roaming revenue from these customers.

We look forward to hearing user reports.

Watch this space.

Robert Halpin, an Irish pioneer of submarine telecoms

Robert Halpin, an Irish pioneer of submarine telecoms was born this day, February 16th in 1836 at the Bridge Tavern (still a pub in 2014) in Wicklow Town.

Robert Halpin memorial, Fitzwilliam square, Wicklow. Copyright Simon Rees.

Robert Halpin memorial, Fitzwilliam square, Wicklow. Copyright Simon Rees.

His contribution to the development of international telecoms is well known to the people of Wicklow Town – the Halpin Trail is a walk around landmarks connected to him.

Halpin’s contribution to international telecommunications comes from his position as the captain of the SS Great Eastern.  Built by Brunel, the Great Eastern was an outstanding technical achievement – by far the largest ship at the time – but a commercial failure.  After various incarnations, she was bought for £25,000 by a group of entrepreneurs who then founded the Great Eastern Telegraph Company, subsequently Cable & Wireless.

Imagine a time before international telecommunications.  To send a message from Ireland to the USA in the 1850s would take over a week by ship – and the same again to receive the reply.  However, in 1839 Cooke and Wheatstone gave birth to the telecommunications industry by demonstrating the first working electrical telegraph, and in 1850 the first international submarine telegraph cable was laid between England and France.  The prospect of laying an international telegraph cable from Europe to North America encouraged John Pender and two others to buy the Great Eastern and convert her into a cable-laying ship.

An Post commemorates Robert Halpin’s life. Image copyright

Under James Anderson and later Robert Halpin, the Great Eastern laid over 30,000 miles of telegraph cables, giving us instant worldwide communications for the first time.  Their feats of seamanship include the time when one of their first transatlantic telegraph cables snapped as it was being laid, and was lost.  The following spring, according to the National Maritime Museum of Ireland, after successfully laying another cable to from Valentia to Newfoundland, Halpin navigated the great ship to the exact spot where the cable break had occurred the previous year. The lost cable was grappled, raised and joined to a fresh cable which was paid out to Newfoundland, thus providing a second link from the old World to the new.

Section of PTAT-1: Private transatlantic telecoms cable. Euro coin for scale. Copyright Simon Rees

Section of PTAT-1: Private Transatlantic Telecommunications cable. Euro coin for scale. Copyright Simon Rees.

Submarine telecommunications cables are still laid to this day, following in the footsteps of Robert Halpin.  This image shows a piece of the PTAT-1 cable, completed in 1989.  It connected Ballinspittle, Co. Cork and Brean Down, Devon with Bermuda and New Jersey.  The eight coloured dots that can just be discerned in the centre are the four pairs of fibre-optic cables, each capable of carrying 400Mb/s.  Cable ships today are purpose-built and use GPS, ploughs and remote submersibles, and many other technologies not available to Robert Halpin.

In later life, Halpin returned to Wicklow where he built the beautiful Tinakilly House.  He died of gangrene from an infected toe on the 20th of January 1894.

To learn more about the life of Robert Halpin, watch this short video: