A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. This is in contrast to a phone that does not impose any SIM restrictions.
NMT is an automatic cellular phone system specified by Nordic telecommunications administrations (PTTs) and opened for service on 1 October 1981. NMT is based on analogue technology and two variants exist: NMT-450 and NMT-900. The numbers indicate the frequency bands used. NMT-900 was introduced in 1986 and carries more channels than the older NMT-450 network.
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, Missouri, United States, on June 17, 1946.
GSM frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones and other mobile devices.
The 3110 is a GSM mobile phone handset manufactured by Nokia in Hungary, introduced at CEBIT in March 1997. The 3110 is notable as the first Nokia handset to feature the 'Navi-Key' menu navigation system. The Navi-Key was featured heavily on Nokia handsets, especially the entry-level models such as the Nokia 1100 in the following years. Unlike its successor, the 3210, and subsequent handsets of similar design, the 3110 had an external antenna. The phone was available with a slim, standard or vibrating battery. It could only be used on a GSM-900 network.
The Nokia 1100 is a basic GSM mobile phone produced by Nokia. Over 250 million 1100s have been sold since its launch in late 2003, making it the world's best selling phone handset and the best selling consumer electronics device in the world at the time. The model was announced on 27 August 2003 and was discontinued in September 2009.
Twig Com Ltd. is a mobile telecommunications company founded in 2011 and headquartered in Salo, Finland. The company develops and manufactures personal safety and GPS tracking products and software for worker protection, telecare, and asset tracking applications. The operation was originally started in 1988 as mobile phone manufacturer Benefon who began research on GPS safety phones in 1995 and launched the first commercial GPS/GSM safety phone, the Benefon Track, in 2000. Twig Com Ltd acquired Benefon's Twig business from GeoSentric OYJ through a purchase agreement signed in January 2011.
The StarTAC is a series of mobile phones released by Motorola starting in 1996. It is the successor of the MicroTAC, a semi-clamshell design first launched in 1989. Whereas the MicroTAC's flip folded down from below the keypad, the StarTAC folded up from above the display. The StarTAC was among the first mobile phones to gain widespread consumer adoption; approximately 60 million StarTACs were sold.
The Nokia 7600 is a camera phone developed by Nokia, running on Series 40. The 7600 was announced on 25 September 2003 and was Nokia's second 3G handset after the Nokia 6650. It is notable for its unique radical design.
The Nokia 5110 is a GSM mobile phone that was introduced by Nokia on 12 April 1998.
Mobile VoIP or simply mVoIP is an extension of mobility to a voice over IP network. Two types of communication are generally supported: cordless telephones using DECT or PCS protocols for short range or campus communications where all base stations are linked into the same LAN, and wider area communications using 3G or 4G protocols.
The Nokia 8850 is a mobile phone handset manufactured by Nokia. It was a light alloy-bodied enhanced version of Nokia 8210 model with slider protection of the keypad and white lighting of the keypad and screen. The 8850 is considered to be an un-repairable phone, thus resulting in very few active handsets in the market. Today it remains a collector's item. It also came in gold. It was introduced as a successor of an earlier model, the chrome phone Nokia 8810.
The Nokia 6300 is a mobile telephone handset produced by Nokia. It was announced on 28 November 2006 and released in January 2007. This model was assembled in several factories, including Jucu plant, near Cluj, in Romania.
Wireless Application Protocol (WAP) is a now obsolete technical standard for accessing information over a mobile cellular network. Introduced in 1999, WAP allowed at launch users with compatible mobile devices to browse content such as news, weather and sports scores provided by mobile network operators, specially designed for the limited capabilities of a mobile device. The Japanese i-mode system offered another major competing wireless data standard.
The Motorola MicroTAC is a cellular phone first manufactured as an analog version in 1989. GSM-compatible and TDMA/Dual-Mode versions were introduced in 1994. The MicroTAC introduced a new "flip" design, where the "mouthpiece" folded over the keypad, although on later production the "mouthpiece" was actually located in the base of the phone, along with the ringer. This set the standard and became the model for modern flip phones today. Its predecessor was the much larger and heavier Motorola DynaTAC "brick" phone, and it was succeeded by the Motorola StarTAC in 1996. "TAC" was an abbreviation of "Total Area Coverage" in all three models.
The Nokia 2110 is a cellular phone made by the Finnish telecommunications firm Nokia, first announced and released in January 1994. It is the first Nokia phone with the famous Nokia tune ringtone. The phone can send and receive SMS messages; and lists ten dialed calls, ten received calls and ten missed calls. At the time of the phone's release, it was smaller than others of its price and had a bigger display, so it became very popular. It also features a "revolutionary" new user interface featuring with two dynamic softkeys, which would later lead to the development of the Navi-key on its successor, the Nokia 6110, as well as the Series 20 interface.
Hutchison 3G Enterprises S.A.R.L., commonly known as Hutchison 3G and trading as 3 (Three), is the owner of a brand name that operates several mobile phone networks and broadband Internet providers in Hong Kong, Macau, Austria, Denmark, Indonesia, Ireland, Italy, Sweden, and the United Kingdom.
The Nokia Lumia 900 is a Windows Phone-powered smartphone, first unveiled on January 9, 2012, by Nokia at Consumer Electronics Show 2012, where it won the Best Smartphone award in January 2012. The phone has 4G LTE support and was released in April 2012. The Lumia 900 was the flagship smartphone of the Lumia range until the release of its successor, the Lumia 920.
Ericsson Mobile Communications AB was a subsidiary of Ericsson, entirely focused on development of mobile phones (handsets), which has been fully acquired by Sony Corp. in 2011. This concluded tumultuous and unhappy venture between the two electronic giants The major offices were located in Lund, Kumla, Raleigh, North Carolina and Lynchburg, Virginia.
The Nokia 101 is an analogue mobile phone from Nokia released in 1992 that has variants for the NMT, AMPS and ETACS cellular networks. The 101 is considered to have been a significant handset for Nokia, one that started the company's major success in the market that decade. It was the first model in the new 3-digit naming strategy for analogue handsets.
