Singtel

The company launched its 3G network in May 2007 over the B1 (2100 MHz) band. The network shutdown was scheduled for end-of-year 2024.

The company's 4G LTE4G LTE: 4G LTE (Long Term Evolution) or the E-UTRAN (Evolved Universal Terrestrial Access Network), introduced in 3GPP Rel. 8, is the radio access component of the Evolved Packet System (EPS) - a purely IP based mobile network standard. As an evolution to 3G UMTS, 4G LTE shares many similarities, such as… network was launched in December 2011 using the B3 (1800 MHz) band. SingTel announced in May 2013 the company had achieved nationwide coverage and upgraded its network to Cat 4. By May 28, 2014 SingTel unveiled its 300 Mbps Cat 6 LTE-Advanced network, which combines 20 MHz band 3 and 20 MHz B7 spectrum and announced that the 300 Mbps service was available nationwide from March 2015.

SingTel commercially launched 450 Mbps LTE-Advanced using 256QAM in January 2017. NB-IoTNB-IoT: Narrowband IoT (NB-IoT) is a 3GPP Release 13 feature that reuses various principles and building blocks of the LTE physical layer and higher protocol layers and defines a new Cat-NB1 UE. The standard leverages a mobile operator's existing LTE base stations permitting rapid time-to… and LTE-MLTE-M: LTE-M is a type of LTE network published by 3GPP in Releases 13 to 15 specifications. LTE-M is a low power wide area technology which supports IoT through lower device complexity and provides extended coverage, leveraging a mobile operator's existing LTE base stations. LTE-M finds its… services were launched in March 2018. Additional B8, B28, and B38 carriers were later added.

SingTel launched its 5G network in September 2020 initially using the n78 (3500 MHz) band, but adding n257 mmWave and n1 (2100 MHz) in December 2020 and November 2021 respectively. The network was upgraded to Standalone (SA) in May 2021, a first for the country.