Dual Sim cell phones, DVD players, MP4 players, etc. Costs for units in the amounts of 1-10, 10-50 and 50-100? Shipping estimated arrival times to Doral Florida USA? Shipping estimated arrival times to Trinidad and Tobago? Shipping costs to Doral Florida USA? Shipping costs to Trinidad and Tobago? Purchasing and shipping policies? Warranty policies, return, exchange, repairs, etc.? Please send me any pictures of cell phones in packaging cases with accessories shown. Do you know if your Dual Sim GSM phones work flawlessly on our local Digicel and Bmobile networks in Trinidad & Tobago. Have you shipped any models to Trinidad and Tobago before and if yes what feed back have you gotten on how well they work? Please let me know which phones will work on which network and both simultaneously. I&＃39;m mostly interested in your Dual Sim GSM phones that work at the same time, I&＃39;m presently testing a K530i and its performance and call quality is good. Please send me price list on all the products you carry, I will be expanding my electronics retail business soon and will be needing more variety.Digicel uses the 850Mhz and 1900Mhz frequency band.TSTT/bmobile uses the 1800Mhz frequency band.