jammer

/'dʤæmə/

Thân thiện

A technician operates a radio jammer during a training exercise.

Definition

1. Noun:
   • A device or transmitter that broadcasts electronic jamming signals: A "jammer" is a piece of equipment designed to interfere with, block, or disrupt radio, radar, GPS, or other electronic signals by transmitting noise or signals on the same frequency.

Usage Examples

• Noun:
  • The military used a signal jammer to disrupt enemy communications.
  • Installing a cell phone jammer in the theater is illegal in many countries.
  • The drone was disabled by a GPS jammer.

Advanced Usage

• "to be a jammer": can be used informally to describe a person or thing that causes interference or disruption in a non-electronic context.
  • He's such a jammer in meetings, always derailing the conversation with off-topic comments.

Variants and Related Words

• Jamming (n): The act or process of causing electronic interference.
  • The jamming of the broadcast was a deliberate act.
• Jam (v): To cause interference with a signal or to make something stuck.
  • Please do not jam the radio signals.

Synonyms

• Blocker: A device or agent that blocks something.
• Disruptor: Something that causes disruption, especially of a process or system.

Related Phrases

• Signal jammer: A specific type of jammer that targets communication signals.
  • The police located the illegal signal jammer in the apartment.
• Radio jammer: A jammer specifically designed for radio frequencies.
  • The old radio jammer was used during the war.

Related Idioms

Học thuật

Noun

1. a transmitter used to broadcast electronic jamming