T-mobile is an up-and-coming wireless provider, known for some of the best customer service, high-quality calls, and overall happiness of their customers. The telecommunications company has 33 million customers in the United States, making it the 4th largest wireless provider in the US; quickly catching up to Sprint. T-Mobile uses the 1900 MHz frequency band for all their phone services (GSM/GPRS/EDGE), and is famously known as the largest 1900 MHz provider in the world. Recently theyve begun to expand their services into the 3g 1700 and 2100 MHz frequency bands to improve internet and data-transfer speeds. T-mobile recently upgraded their 3G speed cap from 3.6mb/s to 7.2mb/s; a huge improvement. T-Mobile hotspots are another feature thats quickly growing, popping up in many different locations such as Starbucks and Borders Bookstores. These hotspots provide high-speed internet access for a relatively low price to anyone within 300ft of the hotpot (approx). T-Mobiles main exclusive phone is the Google phone, which is well-known for its touch capabilities as well as its slide-out keyboard. T-Mobile covers almost all the standard phones other carriers have, as well as blackberries Unlocked iPhones arent officially supported, but are able to run fairly well on T-Mobile networks.