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Country or Territory Operator VoLTE B1 2100 MHz B3 1800 MHz B5 850 MHz B7 2600 MHz B8 900 MHz B20 800 MHz B28 700 MHz B31 450 MHz B40 2300 MHz B41 2500 MHz CA [G 1] schemes References & Notes
4G : FDD LTE : B1/B3 (Roaming on Truemove H, B8 prohibited) 4.5G : Up to 2xCA B1+B3, nationwide 4x4 MIMO on B3, 256/64QAM 4G Calling ( VoLTE , ViLTE ) : Unsupported
Global roaming SIMs are very often combined with callback technology, whereby the user dials a number in the normal way, but the call is intercepted by an application on the SIM card and turned from an outbound call to an inbound call which the user answers. This ensures that the call travels exclusively through the least cost route, and also ...
Bridge Alliance launched one-flat rate, daily unlimited data roaming plan across all Bridge Alliance member countries in 2010. [11] AIS and Globe offered Bridge VoiceSMS Roam, one-rate voice and SMS roaming price plans, across APAC in 2011. [12] And in 2011, Bridge AsiaRoamData SIM service had an expanded coverage to 11 countries. [13]
The term "roaming", also known as "e-roaming", is a concept for charging battery electric vehicles (BEVs) at other charging stations. [3] In practice, e-roaming allows EV drivers to achieve greater interoperability by providing access to public charging points from any owner/operator's EV charging network through a common platform and a single ...
For technical details on LTE and a list of its designated operating frequencies, bands, and roaming possibilities, see LTE frequency bands. Bands 33 to 53 are assigned to TDD-LTE. Note: This list of network deployments does not imply any widespread deployment or national coverage.
In 2002, Virgin Mobile in a joint venture with Singtel, set up the fourth telecommunications company in Singapore. It was the first mobile virtual network operator (MVNO) in Singapore. The operations were closed down on 11 October 2002 after failing to attract a significant number of customers.
The Preferred Roaming List (PRL) is a database residing in a wireless (primarily CDMA) device, such as a cellphone, that contains information used during the system selection and acquisition process. In the case of R-UIM -based CDMA devices, the PRL resides on the R-UIM .