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2. Mobile Phones
3. Samsung A657
4. Technical Specifications

• Характеристики

Manufacturer and Model

Manufacturer

Samsung

Phone model

A657

Year of release

2009

Appearance

Case type

Monoblock

Body length

115 mm (millimeters)

Body width

52 mm (millimeters)

Body thickness

19.5 mm (millimeters)

Weight

123 g (grams)

Volume

116.61 cm³ (cubic centimeters)

Body materials and finishes

• Rubber
• Plastic

Colors

• Black

Internal storage

Built-in memory

• 128 MB (megabytes)

place #94

SD card

Types of Supported Memory Cards

• microSDHC (Micro Secure Digital High Capacity)
• microSD (Micro Secure Digital Card, TransFlash)

Maximum expandable memory

8 GB (gigabytes)

Battery

Battery capacity

1420 (milliampere hours)

Battery type

Li-Ion (lithium ion)

Charging the battery from USB

Call duration in GSM networks

6 h 30 min (hours, minutes)

Standby time in GSM networks

288 h (hours)

Screen

Screen diagonal

1.9 in (inches) place #178

Screen resolution

220 x 176 pixels place #139

Pixel density

148 ppi (pixels per inch)

Screen technology

TFT

Color depth

18 bit (262144 colors)

Aspect ratio

1.25 (5:4)

SIM card and calls

Number of SIM-cards

1

MP3 ringtones

Polyphonic ringtones

Vibration mode

Speakerphone

Conference call

Speed dial

Autodial

Noise reduction during a call

Ability to mute the microphone during a call

Extended phone book

Contacts in the phone book

1000

Data exchange between SIM card and internal memory

Mobile communications

Cellular generation

3.5G (up to 42 Mbps)

GSM support

GSM frequencies

• GSM 850 MHz
• GSM 900 MHz
• GSM 1800 MHz
• GSM 1900 MHz

UMTS support

UMTS frequencies

• UMTS 850 MHz
• UMTS 1900 MHz

Internet data transmission standards

Data transmission standards

• HSDPA (1.8 Mbit/s)
• EDGE (E-GPRS, 384 kbit/s)
• GPRS (64 kbit/s)

USB

USB connector

USB standard

2.0 (up to 480 Mbps)

Bluetooth

Built-in Bluetooth

Bluetooth standard

2.0

A2DP support

Navigation and positioning

Built-in GPS

Images

MTP support

Video

Installed video player

Supported video formats

• MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
• 3GPP (.3gp)

Audio

Installed audio player

Supported audio formats

• AAC (Advanced Audio Coding, .aac)
• AMR (Adaptive Multi-Rate, .amr)
• MIDI (Musical Instrument Digital Interface)
• MP3 (MPEG-1/2/2.5 Layer 3, .mp3)
• WAV (Waveform Audio File Format, .wav, .wave)

MP3 support

Streaming audio

Identifier of songs

Number of polyphony voices

72

Dictaphone

Control elements

Standard keypad

Documents and office

Installed Organizer (PIM)

Email

Connectivity and synchronization

PC connection

Software features

JAVA support

• midp 2.0

Installed browser

• HTML
• WAP

Installed games

Receiving and sending SMS

SMS messages

SMS T9 support

MMS support

Impact protection

Shockproof case

Waterproof case

Dustproof case

Resistant to temperatures

Additional features

Standalone mode (flight mode)

Push-To-Talk function

Flashlight

SAR level

SAR level

1.46 W/kg (watts per kilogram)