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However, DECT 6.0's late start compared to DECT elsewhere has led to a large installed base of legacy cordless phones using other frequencies, many of which remain in use today despite increasingly common interference with the ever growing use of Wi-Fi, Bluetooth and other unlicensed digital radio standards, especially at 2.4 GHz and 5.8 GHz.
DECT-2020 New Radio, marketed as NR+ (New Radio plus), is a 5G data transmission protocol which meets ITU-R IMT-2020 requirements for ultra-reliable low-latency and massive machine-type communications, and can co-exist with earlier DECT devices.
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CAT-iq allows IP-DECT gateways with integrated NG-DECT base stations operate in full-feature mode with any certified CAT-iq 2.0/2.1 handset, regardless of different vendors and silicon or software protocol stack implementations. The base stations will also work with GAP handsets, though supporting only the basic GAP features.
The Bell 103A standard was introduced by AT&T in 1962. It provided full-duplex service at 300 bit/s over normal phone lines. Frequency-shift keying was used, with the call originator transmitting at 1,070 or 1,270 Hz and the answering modem transmitting at 2,025 or 2,225 Hz. [6]
The Lumia 900 was one of the first Windows Phones to support LTE and was released on AT&T on April 8, 2012. [35] An international version launched in Q2 2012, with a UK launch on May 11, 2012. [ 36 ] The Lumia 610 was the first Nokia Windows Phone to run the Tango Variant (Windows Phone 7.5 Refresh) and was aimed at emerging markets.
Bluetooth Low Energy (Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart [1]) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) [2] aimed at novel applications in the healthcare, fitness, beacons, [3] security, and home entertainment industries. [4]
The original document is scanned with a fax machine (or a telecopier), which processes the contents (text or images) as a single fixed graphic image, converting it into a bitmap, and then transmitting it through the telephone system in the form of audio-frequency tones.
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