How to pronounce 頻段 in Cantonese (4 out of 6):

LTE Band 28 即係 700mhz 頻段
LTE Band 28 is a 700mhz band.

Cantonese Sentence Breakdown

即係 zik1 hai6
(adverb) same as; exactly as; equivalent to; 'which means' or 'which is to say', usually used before explanations
頻段 pan4 dyun6
frequency band