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ISVX-451 Intrinsically Safe Analog Portable Radio, UHF

ISVX-451 Intrinsically Safe Analog Portable Radio, UHF


  • $259.75
  • Save $95

Durable Mid-Level Portable Radio, Intrinsically Safe

Featuring an IP 57 rating the VX-451 is resistant to dirt and water, even withstanding submersion in 3 feet of water up to 30 minutes.

The VX-451 can be programmed with up to 32 channels in 2 groups. 3 programmable buttons let you access features such as scanning or signaling. A top-mounted orange button can be programmed to send an emergency alert to other users.

Intrinsically Safe Option for Hazardous Locations

Intrinsically safe portable radios can be used in hazardous areas such as areas with flammable atmospheres. The ISVX-451 is SGS certified to the requirements of ANSI/UL913 5th Edition for use in Class I, II, III, Division 1; Groups C,D,E,F,G; Temp T3C hazardous locations.

ARTS (Auto Range Transponder System)

The Vertex VX-451 radio features ARTS™ which notifies you when you're out of range of other ARTS radios. When activated, ARTS sends a signal to other radios. If no response is received back your radio alerts you with a beep.

Voice inversion encryption

Voice inversion provides for communication security by obscuring your voice. Only another radio programmed correctly can unscramble the audio into intelligible voice.

The VX-451 radio package includes:

  • VX-451 UHF radio
  • Standard lithium ion battery
  • Antenna
  • Belt clip
  • Rapid desktop charger
  • User manual


  • 32 channels
  • 3 programmable buttons
  • Signaling
    • MDC1200 encode
    • FleetSync encode
    • DTMF encode
    • 2 tone encode and decode
    • 5 tone encode and decode
      • Stun, kill and revive
    • Lone worker function
    • Multiple scanning optiosn
    • ARTS
    • VOX voice activated transmit when used with a VOX accessory


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