About Roaming

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About Roaming

About Roaming

Roaming refers to the use of a mobile phone outside the coverage area of your service provider. However, service providers charge higher rate of fees for calls, messages and internet browsing.

This featured can be very important when travelling outside the geographical coverage area of the home network.

A

A-GPS (Assisted GPS) • A2DP (Advanced Audio Distribution Profile) • AAC (Advanced Audio Coding) • Airplane Mode • Alarm Clock • AMOLED (Active-matrix organic light-emitting diode) • Analog Technology • Android Operating System • Antenna • Aperture • APN (Access Point Name) • Apple iOS •

B

Band • Bandwidth • Battery Charging • Biometrics • Bit • BlackBerry OS • Bluetooth • Bps (Bits per Second) • Brand • Broadband • Browser • Byte

C

Camera • Capacitive Touchscreen • Car Kit • Carrier • CDMA (Code-Division Multiple Access) • Cell • Chipset • CIF (Common Intermediate Format) • Connected GPS • Corning Gorilla Glass • CPU (Central Processing Unit)

D

DC-HSDPA (Dual Carrier or Dual Cell High-Speed Downlink Packet Access) • Dual-band • Dual-Mode • Dual-SIM • Dynamic Memory

E

EDGE (Enhanced Data for Global Evolution) • EDR (Enhanced Data Rate) • EGPRS • EGSM (Extended GSM)

F

Firmware • Flash Memory • Flight mode • FM Radio • Frequency • FTP (File Transfer Protocol)

G

Galileo (Global Navigation Satellite System) • GB (Gigabyte) • Gbps (Gigabits per second) • Geo-tag • GLONASS (Global Navigation Satellite System) • GPRS • GPS (Global Positioning System • GPU (Graphics Processing Unit)

H

H.263 • H.264 • H.265 • Handwriting recognition • Hot Spot • HSCSD (High-Speed Circuit Switched Data) • HSDPA (High-Speed Downlink Packet Access) • HSDPA+ (High-Speed Downlink Packet Access Plus) • HSP (Headset Profile) • HTML (Hypertext Markup Language) • Hz (Hertz)

I

iDEN (Integrated Digital Enhanced Network) • Image Signal Processor (ISP) • IMEI (International Mobile Equipment Identity)

J

Java

K

KB (Kilobyte) • Kbps (Kilobits per second) • Key Guard

L

LCD (Liquid Crystal Display) • LED (Light-Emitting Diode) • Li-Ion (Lithium Ion) • Li-Polymer (Lithium Polymer) • Loudspeaker

M

Macro • Magnetometer • mAh • MB (Megabyte) • Mbps (Megabit per second) • Megapixel • Memory card slot • Memory effect • Messaging • MHz (Megahertz) • Micro USB • microSD • microSDHC • MIDI (Musical Instrument Digital Interface) • MIDP (Mobile Information Device Profile) • MMS (Multimedia Messaging Service) • Mobile games • Mobile High-Definition Link (MHL) • Mobile IM (Instant Messaging) • Modem • Monochrome • MP3 (MPEG Layer 3) • MPEG (Motion Picture Experts Group) • MPEG-4 video • Multitouch input method • Music playback time (battery life) • Music Player

N

NAND Memory • Network capacity • Network coverage • NOR Memory • Numeric keypad

O

OEM (Original Equipment Manufacturer) • OLED (Organic Light-Emitting Diode) • Optical Zoom • OS (Operating System) • OTA (Over-The-Air) • OTG

P

PCS (Personal Communications Service) • PDA (Personal Digital Assistant) • Pixel • Pixel density (Pixels Per Inch) • Price • PTT (Push-To-Talk) • Push

Q

Quad-band • QVGA (Quarter Video Graphics Array) • QWERTY keyboard layout

R

RAM (Random-Access Memory) • RBDS (Radio Broadcast Data System) • RDS (Radio Data System) • Resistive touchscreen • Resolution • Ringtone • Roaming • ROM (Read-Only Memory) • RS-MMC (Reduced-Size Multi Media Card)

S

Screen protection • SD (Secure Digital) • Secondary camera • Sensors • SIM • SIM lock • Single-Band • Smart Watch • Smartphone • SMS (Short Messaging Service) • Speed Dial • Stand-by time (battery life) • Stereo Speakers • Streaming Video • Stylus

T

Talk time (battery life) • Tethering • Text messaging (texting) • Touchscreen • Tri-band

U

UI (User Interface) • UMTS • UPnP (Universal Plug and Play) • USB (Universal Serial Bus) • USB On-The-Go • USIM

V

VGA (Video Graphics Array) • Video call • Voice dialing • Voice mail • VPN (Virtual Private Network)

W

WAP (Wireless Application protocol) • WCDMA(Wideband Code Division Multiple Access • Wearable Technology • Wi-Fi • Windows Mobile • Windows Phone OS • WLAN • WMV (Windows Media Video)

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2G • 3G • 4G • 5G

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