The TW1 cable system spans 1,300 km connecting Pakistan, United Arab Emirates and Oman.

The TW1 cable system is privately owned and oeprated by Transworld Associates Private Limited (Transworld, or TWA), which is also the landing party in Pakistan for the SMW5 cable system.

Transworld is a joint venture of Orascom Investment Holding (now Global Telecom Holding S.A.E., based in Amsterdam, Netherlands), Orastar Limited and His Excellency Dr Omar Abdul Mone’m Yousuf Al Zawawi of Sultanate of Oman. 

The TW1 cable lands at:

• Karachi, Pakistan,
• Al Seeb, Oman, and
• Fujairah, UAE.

Transworld contracted with Omantel in July 2005 for a 15-year agreement that grants  Transworld the right to use Omatel’s Al Seeb Cable Landing Station as a land point for linking the present and future international cables in Oman.

Transworld signed a landing party agreement with the Emirates Telecommunication Corporation (Etisalat) to land TW1 cable system at Fujairah Cable Landing Station.

The TW1 cable system comprises of two fibre pairs, with an initial design capacity of 1.28Tbps. There are 14 repeaters on the trunk of 1237km between Fujairah and Karachi, with a 60km branch to Al Seeb.

The TW1 cable system was supplied by TE SubCom and began operations in 2006.

In 2011, the TW1 cable system was upgraded with SubCom's solution to add six additional wavelengths, using plug and play technology.

In 2016, the TW1 cable system was upgraded with Huawei Marine's solution to add 3x100Gbps wavelengths in its original 10Gbps DWDM system.