Hong Kong’s CSL has commercially launched 4G LTE extended spectrum together with the LTE CAT 4 device. With 5MHz extended spectrum, CSL has deployed a total of 2 x 20MHz at 2600MHz for its LTE network. 

According to operator, the re-framing of 2 x 15MHz of 1800MHz spectrum in the next few weeks will bring even greater enhancement to customer experience.  Both CSL brands, 1O1O and one2free have the extended 4G FD-LTE spectrum. CSL had launched dual band 4G LTE network in November 2010. 

The new LTE CAT 4 device launched today supports LTE in 2600/2100/1800/900/800MHz bands and DC-HSPA+/HSPA+/HSUPA/HSDPA/UMTS in 2100/1900/900/850MHz bands.