Claro SA, trading as Claro Brasil, was launched in 2003 following a merger between América Móvil-owned operators ATL, BCP, Americel, Tess Celular, and Claro Digital who previously served mutually exclusive regions, to form a single nationwide mobile carrier. The company is a fully owned subsidiary of Claro Telecom Participações SA, a group holding company designed to oversee operations of its Brazilian cellular, fixed, and ISP service companies. Claro Telecom itself is a subsidiary of América Móvil S.A.B. de C.V, an international telecommunications group with operations in a range of countries throughout South America.
Claro Brasil 3G Network
The company launched 3G UMTS over B1 (2100 MHz) and B5 (850 MHz) in November 2007.
3G Frequency Bands
| Network Frequency Band | Status |
|---|---|
|
Active
|
|
|
Active
|
3G Network Events
| Date | Event | Subtype |
|---|---|---|
|
|
Launch of 3G Network
|
Launch
|
Claro Brasil 4G Network
The company initially launched 4G LTE services over B7 (2600 MHz) in April 2013, following with B3 (1800 MHz) in 2015. After government regulator Anatel auctioned 700 MHz spectrum in August 2014, the company began testing of 3C LTE-A combining new B28 (700 MHz) LTE with its existing B3 and B7 services. LTE-A was launched in June 2016, with further upgrades over 2017 to provide 4X4 MIMO and 256QAM operation in "4.5G" areas. The company also operates a B31 (450 MHz) network to provide LTE coverage in rural areas.
The network later was upgraded with B1 (2100 MHz) in August 2018.
4G Frequency Bands
| Network Frequency Band | Max. Channel Bandwidth | Status |
|---|---|---|
|
5
|
Active
|
|
|
15
|
Active
|
|
|
20
|
Active
|
|
|
10
|
Active
|
|
|
5
|
Active
|
4G Network Events
| Date | Event | Subtype |
|---|---|---|
|
|
Launch of 4G Network
|
Launch
|
Claro Brasil 5G Network
The company launched SA 5G services in July 2022 using n7 (2600 MHz), n40 (2300 MHz), n78 (3500 MHz), and mmWave n258 (26 GHz).
5G Frequency Bands
| Network Frequency Band | Max. Channel Bandwidth | Status |
|---|---|---|
|
20
|
Active
|
|
|
50
|
Active
|
|
|
100
|
Active
|
|
|
400
|
Active
|
5G Network Events
| Date | Event | Subtype |
|---|---|---|
|
|
Launch of 5G Network
|
Launch
|