What is the standard of Singapore mobile phone card?

Singapore's mobile phone standards are GSM and WCDMA, and CDMA was eliminated several years ago.

There are three major telecom companies in Singapore: Starhub, Singtel and Mobile One(M 1)? All three operators have their own SIM cards for sale. Sim card is generally 3G, which has a certain amount of Internet traffic, free SMS and talk time (different operators have different preferential items). Among the three companies, Singtel has the largest number of users and good signal.

Extended data:

LTE Advanced (Long Term Evolution Technology Upgrade): It is an enhancement of LTE and is fully backward compatible with LTE. It can usually be upgraded by software on LTE. The upgrade process is similar to upgrading from WCDMA to HSPA. Peak rate: downlink 1Gbps, uplink 500Mbps. It is the first batch of 4G standards recognized by the International Telecommunication Union and the only mainstream 4G standard in fact.

TD-LTE-Advanced (Time Division Long Term Evolution Technology Upgrade): It is a branch enhancement of LTE TDD, which is jointly developed by operators such as Shanghai Bell, Nokia Siemens Networks, Datang Telecom, Huawei Technologies, ZTE, China Mobile, Qualcomm and ST-Ericsson. Peak rate: downlink 1Gbps, uplink 500Mbps. It is also the 4G standard of IMT-Advanced recognized by the International Telecommunication Union.

WiMAX-Advanced: that is, IEEE 802. 16m is an enhancement of WiMAX, which is dominated by WiMAX forum. The maximum rate of downlink and uplink reception can reach 300Mbps, and the static fixed point can reach 1Gbps.

It is also a 4G standard recognized by the International Telecommunication Union. However, with the withdrawal of 20 10 Intel, WiMAX technology was gradually abandoned by operators and the equipment was upgraded to LTE. WiMAX Forum also incorporated TD-LTE into WiMAX 2. 1 specification in 20 12.