Andriod not the only open source mobile os out there now

[Chan Chung Hang Christopher]

> If WCDMA works where GSM 900 doesn't, then that's simply a lousy GSM
> network. The situation is different with GSM 1800, which "penetrates"
> "obstacles" (I don't know the right terminology) only slightly better
> than WCDMA (due to the only-slightly-longer wavelength). GSM 1800 also
> restricts the maximum RF power the handset can emit to 1 wat, while it
> is 2 wats on GSM 900. I think the North Americans use GSM 1900 and now
> also GSM 850. There's also the ulta-penetrative GSM450. But the cell
> size for so long a wavelength is too large to be usable in
> densely-populated areas.
> 

Ah, must be a CDMA 850 vs GSM 1800/1900 then (this was 4 years ago). 
Hong Kong gets new fangled mobile technology pretty early. 
Smartone-vodafone is listed on the GSM list but HDSPA is WCDMA network 
only right? It'd be called EDGE no?