Hong Kong cellco CSL, a wholly owned part of the PCCW/HKT group, has announced the commercial upgrade of parts of its 4G network to LTE-Advanced (LTE-A) using carrier aggregation across two 20MHz bands to offer theoretical peak download speeds of 300Mbps, Mobile World Live reports. CSL has 20MHz of spectrum in each of the 1800MHz and 2600MHz bands which it aggregates to boost LTE speeds from 150Mbps to 300Mbps in parts of Hong Kong. From 22 December LTE-A coverage will include New Territories districts from Shatin to Sheung Shui while the MTR railway’s new West Island Line will be covered at three stations from 28 December. Users require compatible CAT 6 devices. In an announcement at Barcelona’s Mobile World Congress in February 2014, CSL and Chinese vendor ZTE claimed Hong Kong’s first deployment of a 300Mbps LTE-A cell site in a commercial network, but a full commercial launch was not announced until now.
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