The Samsung Rant (M540) Black for Sprint is an extraordinary messaging powerhouse that designed for heavy text messaging. It has two keyboards, a standard alphanumerical keyboard on the outside, and a smooth horizontal slide-out full QWERTY keyboard on the inside, which lets you type out email messages, IMs, and text messages as fast as you talk. But the Rant is not only a messaging device. It is also actually a very functional phone. It can also send all types of messages, including SMS, MMS and IM through AOL, Windows Live and Yahoo. With support of Sprint Mobile Email Work you have access to your Microsoft Exchange 2000 / 2003 / 2007 and Lotus Notes Domino versions 6.0 / 6.5 / 7.0 email accounts. This cell phone named Best Cell Phone at the 2008 CTIA Wireless IT and Entertainment conference does almost everything from email sending/receiving to music playing and video capturing. This device runs on the CDMA 800/1900 frequencies as well as Sprint’s EV-DO data network. The Rant is candybar-style phone features a 2.1-inch LCD screen with a a 176 x 220-pixel resolution and 262K color depth, 2.0-megapixel camera featuring 10x digital zoom and camcorder mode, a competitive music phone that can play MP3s and is compatible with the Sprint Music Store offering a growing selection of more than 1.6 million songs, Bluetooth version 2.0 with stereo music streaming support (A2DP) and Bluetooth car kits, PictBridge printing support, a 600-number internal phonebook, T9 predictive text entry, Sprint One Click shortcut navigation gives the ability to easily access the features they use most on their wireless phone in just one step, microSD / microSDHC cards with up to a maximum capacity of 16GB ensure you have all the room you need, GPS, speakerphone, voice dialing, more than a dozen streaming-radio applications, including Sprint Radio with more than 150 channels, standard micro-USB connector and more. Supporting the EV-DO high-speed data standard, this phone enables you to download and stream high-quality video, straight onto your phone. This cell phone is compatible with Sprint TV, Sprint Exclusive Entertainment and Sprint’s made-for-mobile sports and entertainment video programming network. With support for streaming content, you can view Sprint TV Live,Primetime TV, music videos, cartoons, News and Weather and listen to streaming radio stations. You can make your cell phone always-on source for news, weather, sports and more. This comprehensive Sprint video service combines high-quality streaming audio and video from channels including the NFL Network, ABC, The Weather Channel, Fox Sports, E!, CNN, The Discovery Channel, and more. Combine the Samsung Rant with a Bluetooth car kit and its GPS provides optional access to Sprint Navigation for driving directions by voice and onscreen you can create a powerful portable navigation system. An interesting addition to this phone, that you don’t see in older cell phones, is the Live Search for Sprint feature, powered by Microsoft that provides access to directory information, GPS-enabled directions, interactive maps and one-touch click to call. These features are extremely helpful and set this phone ahead of basic music cell phones. Powered by 960 mAh battery the Sprint Samsung Rant provides 5.6 hours of talk time.