if i'm not wrong, it has something to do with the WiMax licences
that iDA has issued in oct last year.
1. inter-Touch Holdings
2. MobileOne
3. Pacific Internet
4. Qala Singapore
5. Singapore Telecom Mobile
6. StarHub
additionally, m1 is launching 3.5G soon, which promise speeds of up
to 3.6mbps for mobile phone. however, phone support is not there
yet, and it is not related to WiMax.