The Hong Kong-Guam (HK-G) cable system is a 3,700 kilometer undersea cable connecting Tseung Kwan O (TKO), Hong Kong and Piti, Guam.

The HK-G consortium includes RTI (through its multiple subsidiaries) and Google (through its indirect subsidiary GU Holding Inc).

The HK-G cable system consists of 4 fiber pairs, with design capacity of 48 Tbps (12 Tbps per fiber pair). Google owns approximiately two thirds of a fiber pair on the HK-G cable system via spectrum sharing technology. RTI owns all the remaining capacity and fiber pairs. 

In Hong Kong, the HK-G cable lands at the TKO Cable Landing Station and data center owned by NTT. In Guam, it lands at the newly built GNC Cable Landing Station and data center in Piti, Guam.

The HK-G cable system is supplied by NEC. Furthermore, HK-G cable system utilizes capital from the Fund Corporation for the Overseas Development of Japan’s ICT and Postal Services Inc. (Japan ICT Fund), along with syndicated loans from Japanese institutions including NEC Capital Solutions Limited, etc.