Complex sentence: Motorola E770 mobile phone (also known as the E770v denoting a Vodafone network specific variant of this handset) is a 3G phone that operates primarily on the third generation phone network, however it can be downscable to GPRS 2.5 and below if required.
Split into simpler sentences: Motorola E770 mobile phone is also known as the E770v denoting a Vodafone network specific variant of this handset. It is a 3G phone in that it operates primarily on the third generation phone network, however it will downscale to GPRS 2.5 and below if required.