TIMB vs CIEN Comparison

TIM, which is 67%-owned by Telecom Italia, is the third largest wireless carrier in Brazil, with 62 million subscribers, equal to about 24% of the market. The firm also owns 49% of I-Systems, an infrastructure partnership that is expanding its network footprint across Brazil. I-Systems can provide broadband service to about 9 million locations, equal to 10%-15% of the country. TIM leases capacity on the venture's network to serve retail broadband customers under the UltraFibra brand. TIM also resells fiber network access from other providers, including Oi's former infrastructure business V.tal.

Ciena is a telecommunications equipment provider focused on optical transport technologies, with clients in a number of industries such as communication services providers, web-scale providers, cable operators, government, and large enterprises worldwide. The company provides equipment, software, and services that support transport, switching, aggregation, service delivery, and data traffic management.