The South Atlantic Inter Link (SAIL) is a 6,000-km submarine cable system connecting Kribi, Cameroon with Fortaleza, Brazil，with a branch to Equatorial Guinea.

The SAIL cable system consists of four fiber pairs, each capable of transmitting 100 wavelengths with a bandwidth of 100 Gbit/s and delivering a design capacity of 32 Tbps.

The SAIL cable system is invested by CAMTEL of Cameroon, and China Unicom as the landing party in Brazil., Huawei Marine is the turn-key solutions provider for the SAIL cable system. 

In Brazil, the SAIL cable system terminates at Telxius Fortaleza Cable Landing Station, seamlessly connecting with BRUSA and Sam-1 onwards to the US.

Marine installation of the SAIL cable system was successfully completed on September 4^th, 2018.