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ISEVX-531 Intrinsically Safe Digital Portable Radio, UHF


Vertex Standard

  • $379.00
  • Save $113

Get the latest in digital communication technology

Vertex Standard ISEVX-531 portable radios operate in traditional analog mode or digital mode with enhanced audio quality and more features. The ISEVX-531 can be used on legacy analog systems or newer digital systems.

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.

Better Radio Call Quality

Digital technology eliminates the static of analog signals. eVerge™ digital radios feature the AMBE+2™ vocoder for enhanced voice quality.

Message Control and Privacy

Each eVerge digital radio can be assigned a unique ID. This enables users to control who they call and who gets your message.

Submersible and Waterproof

The ISEVX-531 is fully waterproof and has been tested by submersion in 3 feet of water for 30 minutes.

The EVX-531 radio package includes:

  • ISEVX-531 UHF radio
  • Standard lithium ion battery
  • Antenna
  • Belt clip
  • Rapid desktop charger
  • User manual


  • 32 channels and 2 groups
  • 3 programmable buttons
  • Lone worker alert
  • Key lock
  • Voice channel announce
  • ARTS (auto range transpond system)
  • VOX voice activated transmit when used with a VOX accessory
  • Analog mode features
    • MDC1200 encode and decode
    • DTMF encode
    • 2 tone encode and decode
    • 5 tone encode and decode
      • Stun, kill and revive
    • Lone worker function
    • Multiple scanning optiosn
    • ARTS
  • Digital mode features
    • All Call/Group Call/Individual Call
    • Text Messaging
    • Direct/Dual Capacity Mode
    • Transmit Interrupt
    • PTT ID encode (EVX-531) encode/decode (EVX-534/539)
    • Basic/Enhanced Privacy
    • 256b AES encryption (EVX-534/539)
    • Mixed Mode Scan
    • Site Search
    • DTMF encode
    • Escalert
    • Remote Monitor
    • 128 Record Contact List

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