RF7850MHH Wireless Device Specifications

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Questions and Answers

What is the maximum distance covered by the RF7850M_HH device?

  • 12 km
  • 35 km
  • 30 km
  • 18 km (correct)

What is the power of the RF7850M_HH device?

  • 75 watts
  • 100 watts
  • 50 watts (correct)
  • 20 watts

What is the frequency range of the RF7850M-V51 device?

  • UHF (512-1024 MHz)
  • EHF (2048-4096 MHz)
  • SHF (1024-2048 MHz)
  • VHF (30-512 MHz) (correct)

How many channels does the RF7850M-V51 device support?

<p>25 channels (B)</p> Signup and view all the answers

What is the water resistance rating of the RF7850M-V51 device?

<p>Waterproof up to 1 meter (D)</p> Signup and view all the answers

What is the temperature range of the RF7850M-V51 device?

<p>-10°C to 50°C (A)</p> Signup and view all the answers

What is the name of the encryption system used in the RF7850M-V51 device?

<p>AES256 (C)</p> Signup and view all the answers

What is the purpose of the CLR button on the RF7850M_HH device?

<p>To cancel or undo an operation (B)</p> Signup and view all the answers

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Study Notes

Device Specifications

  • Device name: RF7850M-V51 J
  • Frequency range: 512-30 MHz (VHF)
  • Power: 50 W
  • Range: up to 18 km (and up to 35 km for some models)

Features

  • Supports fixed or mobile stations
  • Supports GPS location system
  • Supports narrowband and broadband data transmission
  • AES256-AES128 encryption
  • 25 channels available
  • Supports visual connection
  • Water-resistant up to 1 m
  • Operating temperature: up to 10°C
  • Supports rebroadcasting
  • Supports CT+PT mode

Components

  • Transceiver
  • Speaker
  • Handheld microphone
  • External antenna

Controls and Buttons

  • CLR: delete or cancel operation
  • SQL: noise-cancelling button
  • LT: screen brightness control
  • APPS: application key
  • ENT: confirm button
  • VOL: volume control
  • 5: 57-zero for transferring information to the network
  • 8: 9-programming key
  • 5: PRE + changes pre-settings

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