Now that push-to-talk leader Nextel has competition, new push-to-talk handsets are emerging.SO FAR, ONLY VERIZON WIRELESS Cellco Partnership, doing business as Verizon Wireless, owns and operates the second largest wireless telecommunications network in the United States, based on total wireless customers. and Sprint PCS (1) (Personal Communications Services) Refers to wireless services that emerged after the U.S. government auctioned commercial licenses in 1994 and 1995. This radio spectrum in the 1. have taken on Nextel by launching push-to-talk (PTT (1) (Postal, Telegraph & Telephone) The governmental agency responsible for combined postal, telegraph and telephone services in many European countries. (2) See push-to-talk. PTT - Post, Telephone and Telegraph administration ) services, but Cingular, T-Mobile, and AT&T Wireless have all announced plans to jump into the PTT arena. This expanded market is attracting handset makers such as Sanyo, Nokia, Samsung, and Kyocera Wireless Kyocera Wireless Corporation (KWC) is a manufacturer of mobile telephones for CDMA networks and is a wholly owned subsidiary of Kyocera Corporation that was formed in February 2000 when Kyocera acquired QUALCOMM's San Diego, California-based terrestrial handset division. who want to take PTT handset market share flora Motorola, Nextel's primary handset maker. Ahead of the pack is Sanyo. Its PTT models include the dual-band, tri-mode 5400 and the ruggedized, dual-band 7200. Both are available on the Sprint PCS network. Sanyo plans to release another PTT handset, the 8100, in early 2004. The Nokia 5140 PTT camera phone gives users a range of sports features, including a built-in compass and a Fitness Coach feature that helps users follow training regimens. Nokia plans to make the 5140 available in the U.S. in the first half of 2004. No word on which wireless carrier will feature this handset. Nokia plans to introduce a full range of GSM PTT phones in 2004, including Symbian smartphones, and all of its GSM and WCDMA (Wideband CDMA) A 3G high-speed digital data service provided by cellular carriers that use the TDMA or GSM technology worldwide, including AT&T (formerly Cingular) and T-Mobile in the U.S. phones will include PTT starting in 2005. Samsung is partnering with PTT technology company Togabi to build PTT handsets. The A690 has been announced, but there's no word from Samsung on when of where the CDMA (Code Division Multiple Access) A method for transmitting simultaneous signals over a shared portion of the spectrum. The foremost application of CDMA is the digital cellular phone technology from QUALCOMM that operates in the 800 MHz band and 1.9 GHz PCS band. handset will be released. Togabi's PTT technology, called PacketChat, supports CDMA/1xRTT, GSM/GPRS wireless networks, 802.11b/a networks, 3G (e.g., CDMA 20001x, UMTS (Universal Mobile Telecommunications System) The GSM implementation of the 3G wireless phone system. Part of IMT-2000, UMTS provides service in the 2 GHz band and offers global roaming and personalized features. ), and wired networks. Kyocera Wireless is also joining forces with Togabi to make PTT phones available in early 2004. Kyocera, the parent company of Kyocera Wireless, has a strong relationship with Qualcomm, having acquired Qualcomm's CDMA consumer wireless phone business in February 2000 to form Kyocera Wireless. So, in addition to making phones that use Togabi PTT technology, Kyocera Wireless will continue to produce BREW-enabled phones, which will be capable of running Qualcomm QChat and BREWChat. |
|
||||||||||||||||||||
Printer friendly
Cite/link
Email
Feedback
Reader Opinion