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220-1002 · Question #264

A user's smartphone is getting a very weak signal from the service provider. One day the user notices the phone has full bars and the signal strength has inexplicably increased. Which of the…

The correct answer is B. Cell tower analyzer. A cell tower analyzer (also known as a network signal analyzer or IMSI catcher detector) can identify the cellular tower the phone is connecting to and verify its legitimacy, including the tower ID, carrier information, and location data. A sudden, unexplained jump to full…

Mobile devices

Question

A user's smartphone is getting a very weak signal from the service provider. One day the user notices the phone has full bars and the signal strength has inexplicably increased. Which of the following tools should be used to verify the user is connecting to a legitimate signal from the phone service provider?

Options

  • AWiFi analyzer
  • BCell tower analyzer
  • CSpectrum analyzer
  • DPacket analyzer

How the community answered

(41 responses)
  • A
    7% (3)
  • B
    88% (36)
  • C
    2% (1)
  • D
    2% (1)

Explanation

A cell tower analyzer (also known as a network signal analyzer or IMSI catcher detector) can identify the cellular tower the phone is connecting to and verify its legitimacy, including the tower ID, carrier information, and location data. A sudden, unexplained jump to full signal strength could indicate a rogue cell tower (such as an IMSI catcher or 'stingray') attempting to intercept communications by spoofing a legitimate carrier tower. A WiFi analyzer (A) only examines 802.11 wireless networks, not cellular. A spectrum analyzer (C) measures raw RF frequencies but cannot identify cell tower identity. A packet analyzer (D) captures network traffic but cannot verify cellular tower legitimacy.

Topics

#cell tower analyzer#signal verification#mobile network#rogue signal

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