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Pages in category "Mobile phones with user-replaceable battery" The following 200 pages are in this category, out of approximately 287 total. This list may not reflect recent changes .
Electrical engineer Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994. The Motorola DynaTAC 8000X received approval from the U.S. FCC on September 21 ...
A Motorola 2900 "Bagless" Bag Phone which has been removed from its bag, illustrating how the parts, including the optional battery pack, interconnect. At the far left is the handset hang-up cup, which does not electrically connect to the phone. Motorola introduced the Bag Phone line in 1988. [1]
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.
Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
A very substantial part of the DynaTAC was the battery, which weighed four to five times more than a modern cell phone. [7] The phone had only 30 minutes of talk time before requiring a 10-hour recharge but according to Cooper, "The battery lifetime wasn't really a problem because you couldn't hold that phone up for that long!"
The Moto X4 comes with a 3000 mAh Li-ion non-removable battery that Motorola claims can provide a full day of usage. Users typically report the same, with a few exceptions. [citation needed] Along with the Moto Turbopower technology, the battery performance of the phone is good.
The phone accepted a 2FF mini SIM card behind the battery for mobile network connectivity. The StarTAC D was the world's first dual-sim mobile phone. The StarTAC D was released following a partnership between Barclaycard and Cellnet in the UK, and also France Telecom and Cartes Bancaires in France.
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