Relevant answers: mobile

• What type of antenna used in the mobile?
  Semiconductor based diodes or detectors are used as antennas. they are much like the p-n diode photodetectors but at microwave frequency. Answer: Omni directional antenna are used at mobile phones....
• What type of antenna is used in mobile phones?
  the antenna used is a omnidirectional antena..
• What type of antenna used in rfid?
  All types... depending on frequency and application. Lower frequency RFID's are typically near field and use inductive antenna designs, higher frequency ones use far-field designs. Low frequency...
• What are the types of keypad used in mobiles?
  I only know a few: Qwerty Samsung related phones: Ice cream sandwich Not sure what else sorry but I hope I helped!
• What type of antenna used in radar?
  altair parabolic etc