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Iridium PTT (Push-To-Talk) Satellite Radio Service

Iridium PTT (Push-To-Talk) Service

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Iridium Extreme® (9575) PTT makes the power of fast, simple, secure and adaptable group communication available on the toughest, push-to-talk enabled satellite phone on the market — all at the push of a button.

Powered by the world’s furthest reaching network, the Iridium Extreme® (9575) PTT is engineered to support high intensity users with the world’s first global push-to-talk service as well Iridium’s standard global voice calling, SMS and SOS.

When using PTT , the handheld device gives your team access to unparalleled situation awareness and control features, including:

  • Automatic registration
  • Over-the-air talkgroup programming
  • PTT service status
  • Dynamic talkgroup selection and monitoring
  • Device talker ID
  • Device talker distance and bearing
  • Visual and audio talkgroup scan

Only Iridium can deliver push-to-talk the way it was meant to be, without the expense and limitations of traditional ground-based towers and repeaters.

Global – Works from pole-to-pole, where and when you need it.

Mobile – Fully integrated for reliable on-the-move handheld use.

Fast – Call set-up and inter-call performance in-line with traditional solutions.

Simple – Automatic programming and registration with easy-to-use menu navigation.

Adaptable – Use on-foot, in-vehicle or in-building with available accessories.

Secure – Iridium Push-to-Talk communications are kept private with AES 256 encryption.

Future proof – With Iridium NEXT, Iridium’s groundbreaking next generation constellation, on schedule for launch in 2015, your investment in Iridium Extreme PTT is secure for decades to come.

Iridium Push-To-Talk Command Center

Provides a web-based interface for managing subscriber access to available talkgroups and definition of regional coverage for Iridium Push-to-Talk Service.

  • Creation PTT service regions of each purchased Talkgroup on a global interactive map.
  • Name all PTT devices.
  • Name each Talkgroup.
  • Drag-and-drop PTT devices (handsets) onto Talkgroups.
  • Update PTT service regions at any time.

PTT Talkgroups

A collection of Iridium Extreme® PTT devices that have been provisioned to transmit instant voice communication to each other within a specified geographic area(s).


Tech Specs

Physical Features

  • Military Grade Ruggedness (Mil-Std 810F)
  • Jet-water, shock and dust resistance (IP65-rated)
  • Compact, lightweight design for ultimate portability
  • Diamond treaded, taper grip for in-hand ergonomics
  • Integrated loudspeaker
  • Rugged, high-gain antenna
  • Daylight-readable, glare-resistant display
  • 2.5mm headset and hands-free capability
  • Mini-USB data port


  • 140 mm (L) x 60 mm (W) x 32 mm (D) dimensions
  • 268g weight
  • -10C to +55C operating temperature
  • Phone Mode battery duration:
    • Standby: Up to 54 hours
    • Talk time: Up to 6.5 hours
  • PTT Mode battery duration:
    • Standby: Up to 16.5 hours
    • Talk time: Up to 5 hours

What's in the Box?

  • Iridium Extreme® PTT device
  • High capacity battery
  • Travel charger with international adapters
  • Car charger
  • Leather case
  • USB data cable
  • User manual
  • 2 accessory adapters
  • Magnetic vehicle mount antenna with 5’ cable
  • Hands-free earpiece with microphone

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Iridium Extreme® PTT Brochure

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