Motorola i55sr / i58sr
Market Status: Released
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|Dimensions||5.25 x 2.00 x 1.25 inches (133 x 51 x 32 mm)|
|Weight||6.50 oz (184 g)|
the average is 4.9 oz (139 g)
|Talk time||4.50 hours|
the average is 12 h (699 min)
|Stand-by time||5.2 days (125 hours)|
the average is 21 days (493 h)
iDEN - iDEN (Integrated Digital Enhanced Network) is a wireless network standard developed by Motorola and used by Nextel Wireless. It operates at 800Mhz, 900Mhz and 1500Mhz frequency bands and it is a mixture of TDMA (Time Division Multiple Access) and GSM arhitecture. It allows the use of one mobile device as a digital phone, pager, two-way radio and fax/modem.
Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.
|Notifications||Vibration, Phone profiles, Speakerphone|
|Other||Voice dialing, Voice recording, TTY/TDD, Push-to-Talk|