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Car Phone
A car phone is a mobile radio telephone specifically designed for and fitted into an automobile. This service originated with the Bell System and was first used in St. Louis on June 17, 1946. Overview The original equipment weighed , and there were initially only 3 channels for all the users in the metropolitan area. Later, more licenses were added, bringing the total to 32 channels across 3 bands (See IMTS frequencies). This service was used at least into the 1980s in large portions of North America. On October 2, 1946, Motorola communications equipment carried the first calls on Illinois Bell Telephone Company's new car radiotelephone service in Chicago. Due to the small number of radio frequencies available, the service quickly reached capacity. In Finland, car phone service was first available in 1971 on the zero-generation ARP (Autoradiopuhelin, or Car Radiophone) service. This was succeeded in 1982 by the 1G system NMT (Nordic Mobile Telephone), used across Scandin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Motorola Carphone Model TLD-1100, 1964, View 1 - National Electronics Museum - DSC00184
Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent public companies, Motorola Mobility and Motorola Solutions on January 4, 2011. Motorola Solutions is the legal successor to Motorola, Inc., as the reorganization was structured with Motorola Mobility being spun off. Motorola Mobility was acquired by Lenovo in 2014. Motorola designed and sold wireless network equipment such as cellular transmission base stations and signal amplifiers. Motorola's home and broadcast network products included set-top boxes, digital video recorders, and network equipment used to enable video broadcasting, computer telephony, and high-definition television. Its business and government customers consisted mainly of wireless voice and broadband systems (used to build private networks), and, public safety communications systems like Astro an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Advanced Mobile Phone System
Advanced Mobile Phone System (AMPS) was an analog mobile phone system standard originally developed by Bell Labs and later modified in a cooperative effort between Bell Labs and Motorola. It was officially introduced in the Americas on October 13, 1983,Private Line and was deployed in many other countries too, including Israel in 1986, Australia in 1987, Singapore in 1988, and Pakistan in 1990. It was the primary analog mobile phone system in North America (and other locales) through the 1980s and into the 2000s. As of February 18, 2008, carriers in the United States were no longer required to support AMPS and companies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emergency Call
Most public switched telephone networks have a single emergency telephone number (sometimes known as the universal emergency telephone number or the emergency services number) that allows a caller to contact local emergency services for assistance. The emergency number differs from country to country; it is typically a three-digit number so that it can be easily remembered and dialed quickly. Some countries have a different emergency number for each of the different emergency services; these often differ only by the last digit. In many countries, dialing either 1-1-2 (used in Europe and parts of Asia) or 9-1-1 (used in the Americas) will connect callers to emergency services. For individual countries, see the list of emergency telephone numbers. Configuration and operation The emergency telephone number is a special case in the country's telephone number plan. In the past, calls to the emergency telephone number were often routed over special dedicated circuits. Though with t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Emergency Notification System
An emergency notification system is a method of facilitating the one-way dissemination or broadcast of messages to one or many groups of people, alerting them to a pending or existing emergency. The Emergency Notification System (ENS) was created by Dialogic Communication Corporation (DCC) in the early 1980s. DCC, including its patent portfolio, was purchased by Motorola Solutions as part of their 2018 acquisition of Airbus DS Communications. Notification vs. communication Emergency notification systems constitute a (one-way communication) subset of the types of systems described by the broader term emergency communication systems which includes systems that provide one-way and two-way communications, between emergency communications staff, first responders, and impacted individuals. Mass automated dialing services such as Reverse 9-1-1, and the common town siren systems that are used to alert for tornadoes, tsunami, air-raid, etc., are examples of emergency notification systems. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
OnStar
OnStar Corporation is a subsidiary of General Motors that provides subscription-based communications, in-vehicle security, emergency services, turn-by-turn navigation, and remote diagnostics systems throughout the United States, Canada, China, Mexico, Europe, Brazil, and Argentina. A similar service known as "Vauxhall/Opel OnStar" was available in western Europe and "ChevyStar" in Latin American markets (except in Mexico, Brazil and Argentina). In September 2011 the president of OnStar stated that the service had more than six million customers. On May 9, 2018, Vauxhall Motors announced that Vauxhall OnStar, alongside Opel OnStar services, would cease to operate after December 31, 2020, following Groupe PSA's purchase of Vauxhall Motors and Opel from General Motors. A new aftermarket interior rear-view mirror with a built-in OnStar module, branded as OnStar FMV, became publicly available on July 24, 2011. It provides some of the features an OEM system has, such as Automatic Crash ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SIM Card
file:SIM-Karte von Telefónica O2 Europe - Standard und Micro.jpg, A typical SIM card (mini-SIM with micro-SIM cutout) file:Sim card.png, A smart card taken from a Global System for Mobile Communications, GSM mobile phone file:Simkarte NFC SecureElement.jpg, T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s file:Tf sim both sides.png, A TracFone Wireless SIM card has no distinctive carrier markings and is only marked as a "SIM card" A SIM card (full form Subscriber Identity Module or Subscriber Identification Module) is an integrated circuit (IC) intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers). Technically the actual physical card is known as a universal integrated circuit card (UICC); this smart card is usually made of PVC with embedded contacts and semiconductors, with the S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M900
M9, M-9 most often refers to: * Beretta M9, a 9 mm pistol M9, M-9 or M09 may refer to: Aviation * Grigorovich M-9, a Russian World War I-era biplane flying boat * Miles M.9 Master, a 1939 British 2-seat monoplane advanced trainer * Motor Sich Airlines, a Ukrainian airline (IATA airline designator: M9) Computers * M9-IX, a short name for the Moscow Internet Exchange Firearms and military equipment * M9M1, a 9mm/.45ACP submachine gun * M-9, the export name for the Chinese missile DF-15 * M9 half-track, a variant of the M2 Half Track * M9 bayonet, a United States military knife * M9 Armored Combat Earthmover, a United States military earthmover * M9 Anti-tank Rocket Launcher, another name for the bazooka * M9 flamethrower, flamethrower, United States * M9 Gun Director, director used with 90mm anti-aircraft guns * T40/M9 Tank Destroyer American tank destroyer Science * Messier 9 (M9), a globular cluster in the constellation Ophiuchus * ATC code M09 ''Other drugs for disor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M800
M8 or M-8 or M.08 or ''variant, may refer to: Computing and electronics * M8 (cipher), an encryption algorithm * Leica M8, a digital rangefinder camera * HTC One (M8), a smartphone * Meizu M8, a smartphone Places * Messier 8, also known as M8 or Lagoon Nebula, a giant interstellar cloud * William L. Whitehurst Field (FAA airport code M08), Bolivar, Hardeman County, Tennessee, USA Rail stations * Meijō Kōen Station (station code M08), Kita, Nagoya, Aichi, Japan * Senri-Chūō Station (station code M08), Toyonaka, Osaka, Japan * Tatsue Station (station code M08), Komatsushima, Tokushima, Japan Roads * M-8 (Michigan highway), also known as the Davison Freeway * M8 (East London), a Metropolitan Route in East London, South Africa * M8 (Cape Town), a Metropolitan Route in Cape Town, South Africa * M8 (Johannesburg), a Metropolitan Route in Johannesburg, South Africa * M8 (Pretoria), a Metropolitan Route in Pretoria, South Africa * M8 (Durban), a Metropolitan Route in Durban, South ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iridium Satellite LLC
Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia. Iridium operates the Iridium satellite constellation, a system of 66 active satellites and 9 in-orbit spares used for worldwide voice and data communication from hand-held satellite phones and other transceiver units. The nearly polar orbit and communication between satellites via inter-satellite links provide global service availability. History The Iridium communications service was launched on November 1, 1998, formerly known as Iridium SSC. The first Iridium call was made by Vice President of the United States Al Gore to Gilbert Grosvenor, the great-grandson of Alexander Graham Bell and chairman of the National Geographic Society. Motorola provided the technology and major financial backing. The logo of the company represents the Big Dipper. The company derives its name from the chemical element iridium, which has an atomic number of 77, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nokia 810
Nokia Corporation (natively Nokia Oyj, referred to as Nokia) is a Finnish multinational telecommunications, information technology, and consumer electronics corporation, established in 1865. Nokia's main headquarters are in Espoo, Finland, in the greater Helsinki metropolitan area, but the company's actual roots are in the Tampere region of Pirkanmaa.HS: Nokian juuret ovat Tammerkosken rannalla (in Finnish) In 2020, Nokia employed approximately 92,000 people across over 100 countries, did business in more than 130 countries, and reported annual revenues of around €23 billion. Nokia is a listed on the |
Bluetooth
Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to . It employs UHF radio waves in the ISM bands, from 2.402GHz to 2.48GHz. It is mainly used as an alternative to wire connections, to exchange files between nearby portable devices and connect cell phones and music players with wireless headphones. Bluetooth is managed by the Bluetooth Special Interest Group (SIG), which has more than 35,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics. The IEEE standardized Bluetooth as IEEE 802.15.1, but no longer maintains the standard. The Bluetooth SIG oversees development of the specification, manages the qualification program, and protects the trademarks. A manufacturer must meet ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
