The Southeast Asia–Japan 2 (SJC2) submarine cable system spans 10500km, connecting 11 cable landing stations in Singapore, Thailand, Cambodia, Vietnam, Hong Kong, Taiwan, mainland China, Korea and Japan. 

The SJC2 cable features eight fibre pairs, at least 18Tbps of capacity per fiber pair, with initial design capacity of 144 Tbps.

SJC2 consortium comprises of China Mobile International (CMI), Chuan Wei, Chunghwa Telecom, Facebook, KDDI, Singtel, SK Broadband and VNPT. True participated in the SJC2  consortium later as the landing party in Thailand.

It is reported that TRUE will spend around Bt3.6 billion (approximately USD110 million) on SJC2 cable sytem and acquire 9Tbps (1/16 of the system capacity). In this case, the total cost of SJC2 cable may be up to USD 1 billion or even more. It cost about USD400 million to build the 8900km SJC with system capcity of of 28Tbps. 

SJC2 consortium selected NEC as the turn-key supplier.