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Telenet was an American commercial packet-switched network which went into service in 1975. [ 1 ] [ 2 ] It was the first FCC-licensed public data network in the United States. [ 3 ] Various commercial and government interests paid monthly fees for dedicated lines connecting their computers and local networks to this backbone network .
Telenet was purchased in 2000 by Dick Callahan's telecommunications holding company, Callahan Associates International, [2] in a deal valued at $969 million at the time. [3] Since 11 October 2005, Telenet was listed on the Euronext Brussels stock exchange under the ticker TNET, until it was acquired by Liberty Global on October 16 2023. [4]
While some analogue mobile phones provided a standard RJ11 telephone socket into which a normal landline modem could be plugged, this only provided slow dial-up connections, usually 2.4 kilobit per second (kbit/s) or less. The next generation of phones, known as 2G (for 'second generation'), were digital, and offered faster dial-up speeds of 9. ...
A dial-up modem transmits computer data over an ordinary switched telephone line that has not been designed for data use. It was once a widely known technology, mass-marketed globally dial-up internet access. In the 1990s, tens of millions of people in the United States alone used dial-up modems for internet access. [3]
Terminal-emulator software typically allows the user to send Hayes commands directly to the modem, and to see the responses. In this example, the user of computer A makes the modem dial the phone number of modem B at phone number (212) 555-0100 (long distance). After every command and response, there is a carriage return sent to complete the ...
[4] [5] Telnet transmits all information including usernames and passwords in plaintext so it is not recommended for security-sensitive applications such as remote management of routers. [2] [6] Telnet's use for this purpose has waned significantly in favor of SSH. [7] Some extensions to Telnet which would provide encryption have been proposed. [8]
DOCSIS 3.1 uses channel bandwidths of up to 192 MHz in the downstream. [15] Upstream: DOCSIS 1.0/1.1 specifies channel widths between 200 kHz and 3.2 MHz. DOCSIS 2.0 & 3.0 specify 6.4 MHz, but can use the earlier, narrower channel widths for backward compatibility. DOCSIS 3.1 uses channel bandwidths of up to 96 MHz in the upstream. Modulation:
Downlink LTE: LTE Category 4 (150 Mbit/s). 2x20 MHz carrier aggregation. Up to 64-QAM; Uplink LTE: LTE Category 4 (50 Mbit/s). 1x20 MHz carrier aggregation. Up to 16-QAM; Chipsets: Snapdragon X5 LTE Modem, Snapdragon 616 processor, Snapdragon 415 processor, Snapdragon 412 processor and Snapdragon 212 processor