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  2. List of CDMA2000 networks - Wikipedia

    en.wikipedia.org/wiki/List_of_CDMA2000_networks

    Private network for critical infrastructure. Exclusive use for M2M, emergency communication and Smart Metering. Alliander Netherlands: CDMA2000 1xRTT, EV-DO Rev. A 450 May 2016: 3 MHz [5] [6] Private network for critical infrastructure. Exclusive use for M2M communication and Smart Metering. 450connect Germany: CDMA2000 1xRTT, EV-DO Rev. A 450 ...

  3. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel.

  4. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM. Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals. In reality, only one person is actually using the channel at a specific moment.

  5. Sprint Extends Push-to-Talk Capabilities to More Phones ... - AOL

    www.aol.com/news/2012-10-24-sprint-extends-push...

    Each comes with GPS navigation and can access 3G speeds on Sprint's broadband CDMA network. The Sprint Direct Connect portfolio also includes the Motorola Admiral, a rugged 3G Android smartphone ...

  6. Multi-carrier code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Multi-carrier_code...

    Multi-carrier code-division multiple access (MC-CDMA) is a multiple access scheme used in OFDM-based telecommunication systems, allowing the system to support multiple users at the same time over same frequency band. MC-CDMA spreads each user symbol in the frequency domain.

  7. Sprint Corporation - Wikipedia

    en.wikipedia.org/wiki/Sprint_Corporation

    Sierra Wireless AirCard 550 modem for connecting a laptop to Sprint's "PCS Vision" network. Sprint operated a nationwide CDMA network in the 1.9 GHz PCS band. In 2006, Sprint's EV-DO "Power Vision" network reached more than 190 million people. Sprint then continued to upgrade their 3G EV-DO network until it reached 260 million people in 2007.

  8. CDMA2000 - Wikipedia

    en.wikipedia.org/wiki/CDMA2000

    CDMA2000 1X (IS-2000), also known as 1x and 1xRTT, is the core CDMA2000 wireless air interface standard.The designation "1x", meaning 1 times radio transmission technology, indicates the same radio frequency (RF) bandwidth as IS-95: a duplex pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the forward link, orthogonal to (in ...

  9. Cellcom (United States) - Wikipedia

    en.wikipedia.org/wiki/Cellcom_(United_States)

    Cellcom is a Verizon LTE in Rural America (LRA) partner. Through this partnership, customers of both carriers will benefit from the high-speed, fourth-generation long-term evolution (LTE) services. [9] Cellcom has access to Verizon Wireless's extensive 700 MHz and AWS 1 spectrum holdings for use on their network. [10]

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