The UMO cable system (formerly known as SIGMAR) is a 2,227km connecting Singapore and Myanmar, landing in Tuas in Singapore and in Thanlyin, southeast of Yangon in Myanmar.

The UMO cable consists of four fiber pairs, running through the Andaman Sea and along the Straits of Malacca

The UMO cable system connects Myanmar directly to Singapore, with branching units to enable optional landing in Thailand and future interconnections with other cables.

The UMO cable system  is invested by Campana Group, partnering with Telin Singapore which will offer access to the landing site at Tuas as well as local connectivity in Singapore.

Founded in 2014 and headquartered in Singapore, Campana Group operates as a pioneering on-net communications service provider. The company has completed a total of 3 deals, with its most recent funding round being a Series B in June 2021, raising USD 53. 87 mn led by Mitsui & Co.

In September 2018, Campana Group announced a US$40 million Series B equity financing round, co-led by Tokyo based Mitsui & Co, and Myanmar businessman U Thein Htwe. Campana Group also secured a debt facility of an additional US$40 million. In June 2021, Campana Group had a Series B Extension funding, raising US$53.87 million, led by Mitsui & Co.. The funding has been used primarily for the UMO submarine cable system, and investments in the metro core and last mile; accelerating Campana’s growth in Enterprise and Cloud services. 

The UMO cable system was ready for service in September 2023, supplied by HMN Tech.

In October 2024, a consortium comprising Summit Communications, CdNet Communications, and Metacore Subcom announced to build the Bangladesh Private Cable System (BPCS), a 1,300 km branch connecting Cox’s Bazar, Bangladesh to the main trunk of the UMO cable system.