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 (CHT), Donghwa Telecom (DHT), Facebook, KDDI, Singtel, SK Broadband (SKB), Telin, TICC (True) and VNPT.

SJC2 consortium selected NEC as the turn-key supplier.

The intial cost of SJC2 cable system is about US$440million. While its earlier generation SJC cable system cost about USD400 million for an intial design capacity of 28Tbps and cable length of 8900km. 

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).