Motorola ROKR EM28
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- Posted: 05 Aug 2008 Announced: 05 Aug 2008
- Market Status: Released
- Release date: 31 Mar 2009
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- Links: Motorola ROKR EM28 Official Page
Motorola ROKR EM28 is a tri-band GSM clamshell. On its front side when closed it houses the 1.3MP camera lens, a small black and white display and touch keys which are illuminated when the player is active. When opened it has 1.8” 128x160 color display. Other features include Stereo Bluetooth, microSD slot for memory and FM Radio.
Rating
Motorola ROKR EM28 specifications
Pros
No prosCons
- Slow data means slow Internet browsing (EDGE)
- It is so thick it needs a personal fitness trainer (0.69 inches)
- Low resolution display (128 x 160 pixels)
- Lacks global positioning system (GPS)
- Low-resolution camera (1.3 megapixels)
- The camera lacks autofocus
- Lacks an ambient light sensor for automatic screen brightness adjustment
Design
- Form factor:
Form factor - Refers to the form factor of a phone. The main handset designs are bar, clamshell, slide, swivel
- Clamshell
- Dimensions:
Dimensions - Phone's dimensions
- 3.71 x 1.95 x 0.69 (94.3 x 49.5 x 17.4 mm )
- Weight:
Weight - Phone's weight
- 3.17 oz (90 g)
the average is 4.4 oz (126 g)
- 3.17 oz (90 g)
- Design features:
- Numeric keypad, Soft keys (2)
Display
- Physical size:
- 1.80 inches
- Resolution:
Resolution - Refers to the width and the height of the display
- 128 x 160 pixels
- Pixel density:
- 114 ppi
- Technology:
Technology - Refers to the type of the color displays. There are five major types: LCD, TFT, TFD, STN and OLED
- TFT
- Colors:
Colors - Shows the number of colors that the display supports
- 65 536
- Additional display:
Additional display - Shows specs of the phone's additional display
- Black & White
- Resolution:
Resolution - Refers to the width and the length od the additional display
- 96 x 80 pixels
Battery
- Talk time:
Talk time - Maximum talk time in hours
- 7.50 hours
the average is 7 h (448 min)
- 7.50 hours
- Stand-by time:
- 10.4 days (250 hours)
the average is 16 days (391 h)
- 10.4 days (250 hours)
- Music playback:
- 11.00 hours
- Capacity:
Capacity - Shows the battery capacity in mAh
- 940 mAh
- Type:
Type - Refers to the battery type. Three major battery typesare used: Li-Ion, Li-Polymer, Ni-MH
- Li - Ion
Hardware
- Built-in storage:
- 20 MB
- Storage expansion:
Storage expansion - Capability to add additional memory to your phone.
- Slot Type:
Slot Type - Shows what type of additional memory can be added to the particular phone. Eight major memory slot types are available: MMC, SD, CF, Memory Stick Duo, miniSD, RS MMC, TransFlash (microSD), Memory Stick Pro Duo
- microSD
- Slot Type:
Camera
- Camera:
Camera - Camera specs
- 1.3 megapixels, Immobile
- Features:
- Digital zoom
- Camcorder:
- Yes
Multimedia
- Music player:
Music player - Audio support such as MP3
- Supported formats:
- MP3, AAC, AAC+, eAAC+, WAV, AMR
- Supported formats:
- Radio:
- FM, RDS
- Streaming:
- Video
Internet browsing
- Browser:
Browser - Capability to access special Internet sites using the mobile phone
- Yes
- Supports:
- WAP 2.0
Technology
- GSM:
GSM - Global System for Mobile communications. A world standard for digital cellular communications using narrowband TDMA (Time Division Multiple Access), which allows up to eight calls at a time on 800 MHz and 1800 MHz frequencies. Introduced in 1991. Is the standard most commonly used in Europe and Asia, but not in the United States. GSM phones use a Subscriber Identity Module (SIM) smart card that contains user account information. Any GSM phone becomes immediately programmed after plugging in the SIM card, thus allowing GSM phones to be easily rented or borrowed. SIM cards can be programmed to display custom menus for personalized services.GSM provides a short messaging service (SMS) that enables text messages up to 160 characters in length to be sent to and from a GSM phone.
- 850, 1800, 1900 MHz
- Other version supports GSM 900/1800/1900 MHz
- Data:
Data - Shows the particular phone's type of data. the major mobile phone data types are GPRS, CDMA2000 1xRTT, EDGE, CDMA2000 1xEV-DO, UMTS, etc.
- EDGE
- Global Roaming:
Global Roaming - Global Roaming is the convenience of having a mobile phone to make and receive calls, send and receive SMS while you travel overseas with your regular mobile number. Usually the Global phones support multiple frequencies like - 900/1800/1900 mhz.
- Yes
Phone features
- Phonebook:
- Caller groups, Multiple numbers per contact, Picture ID, Ring ID
- Organizer:
- Calendar, Alarm, Calculator
- Messaging:
- SMS, MMS, Predictive text input
- Instant Messaging:
- Yes
- JAVA:
JAVA - J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs). J2ME consists of programming specifications and a special virtual machine, the K Virtual Machine, that allows a J2ME-encoded program to run in the mobile device.
- Midp 2.0
- Games:
- Yes
Connectivity
- Bluetooth:
Bluetooth - Low power radio technology replacing the need for wires connecting electronic devices such as personal computers, printers, palm top computers and mobile phones.
- 2.0
- Profiles:
- Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Dial-up networking (DUN), File Transfer (FTP), Generic Access (GAP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Object Push (OPP), Serial Port (SPP), Service Discovery Application (SDAP), Service Discovery Protocol (SDP)
- USB:
- USB 2.0
- Headphones connector:
- 3.5mm
- Computer sync
Other features
- Notifications:
- Music ringtones (MP3), Polyphonic ringtones (32 voices), Vibration, Phone profiles, Speakerphone
- Voice recording
Availability
- Officially announced:
- 05 Aug 2008
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