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A DynaTAC 8000X; the first commercially available mobile phone from 1983. 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.
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 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. [ 2] 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 ...
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.
MTC 3600 SmartNET/SmartZone 4.1 Controller (Prime & Remote) PSC 9600 Astro25 6.x Site Controller (Remote Sites) MTC 9600 ASTRO25 Site Controller (Prime Sites) GCP 8000 ASTRO25 Site Controller (Prime & Remote Sites) MZC 3000 SmartZone 4.1 Zone Controller (4.1 Master Sites)
A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same building or within some short distance from the base station. A cordless telephone differs functionally from a mobile telephone in ...
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, [ 1 ] [ 2 ] [ 3 ] and was deployed in many other countries too, including Israel in 1986 ...
Overview. CT2 is a digital FDMA system that uses time-division duplexing technology to share carrier frequencies between handsets and base stations. Features [1] [2] [3] of the system are: Standardized on 864–868 MHz. 500 frames/second (alternately base station and handset) 100 kHz carriers. 32 kbit/s ADPCM voice channel compression.
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