A

A-GPS (Assisted GPS) | A2DP (Advanced Audio Distribution Profile) | AAC (Advanced Audio Coding) | Accelerometer | Airplane mode | Alarm Clock | Alphanumeric | AMOLED display (Active-matrix organic light-emitting diode) | Analog | Android | Antenna | APN (Access Point Name) | Audio jack | Auto-focus | AVRCP (Audio/Video Remote Control Profile)

B
Band | Bandwidth | Bar | Base Station | Bit | Bluetooth | bps (Bits per Second) | Broadband | Browser | Byte

and so on..