The Samsung SCH-a990 is a digital CDMA phone that operates on Verizon CDMA 800 MHz and 1900 MHz digital network. Verizon coverage is spotty in our location in the North Dallas area. The Samsung gets lower signal strength than the LG VX8300 and the LG Chocolate phone and gets 1-2 bars of EV and 1 bar voice coverage in this area; but in good coverage areas, the phone gets full EV-DO strength and usually 1 bar fewer in 1x. Call clarity is good but drops a syllable or two in every other sentence. The volume is quite loud and the stereo speakers are clear and loud for conference calls. Voice quality is good via wired headsets. The Samsung SCH-a990 has 70MB of memory of which 16.6MB are used for applications that come with the phone. It has an expansion slot that can work with microSD cards.. It sells for 280 GBP. Acceptable modes of payment include: paypal,e-gold and money transfer.