Technologies like AMPS, TDMA, iDEN and CDMA 1x/EV-DO were used in the past by some of those networks and have been phased out in favor of newer systems.
On 20 April 2022, Oi’s mobile network operations were sold to the country's three largest carriers, Vivo, Claro and TIM.
[36] Over the following twelve months, customers were migrated to one of the other three carriers based on their area codes.
However, it does not regulate most aspects of mobile phone service; prices and service quality are not regulated at all, while spectrum allocation is handled by Innovation, Science and Economic Development Canada.
[citation needed] The country's telecom regulator is Subsecretaría de Telecomunicaciones (Subtel).
Chile, as of March 2024, has 26.65 million subscribers in total, including prepaid and postpaid customers, and a 132.92% penetration rate.
Until 2011, Instituto Costarricense de Electricidad had a monopoly on wireless communications.
In November 2011, after the market was open as required by DR-CAFTA, Claro and Movistar started service.
[95] (December 2009) As of September 2012, the penetration rate was 153% for Guadeloupe (0.449 million inhabitants), 148% for Martinique (0.396 m.inh.)
[119] (March 2017) The country's current telecom regulator is IFETEL (IFT).
[149] The local telecom regulator for Puerto Rico is the Junta Reglamentadora de Telecomunicaciones de Puerto Rico (JRTPR)[150] The local telecom regulator for USVI is the USVI Public Services Commission (USVIPSC)[151] 850(5) MHz 5G NR2G was discontinued as of 31 December 2016.
[157] 700/1800 MHz LTE At the end of 2021, the country has 2.00 million subscribers[158] in total, or a 146% penetration rate.
The regulator is Telecommunications Authority of Trinidad and Tobago (TATT)[159] Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from major carriers such as AT&T Mobility, T-Mobile US, or Verizon Wireless, as well as regional carrier United States Cellular Corporation for resale.
The largest operator of MVNOs is TracFone Wireless with over 25 million subscribers.The country's telecom regulator is the United States Federal Communications Commission.