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The Iridium Extreme® PTT (Push-to-Talk) Satellite Phone delivers fast, secure, and truly global communication in a rugged, field-ready design. Built for professionals who operate in remote or unpredictable environments, this device combines instant group push-to-talk connectivity with standard satellite voice, SMS, and data capabilities, ensuring mission-critical communication anywhere on Earth.

Enhanced with a loud integrated speaker, reinforced PTT button, and a field-replaceable high-capacity battery, the Iridium Extreme® PTT is engineered for reliability in every condition.


Key Features

– Dual-Mode Operation – Instantly switch between satellite push-to-talk and traditional phone, SMS, or data modes.
– Global Coverage – Provides 100% worldwide connectivity through the Iridium satellite network, including oceans and polar regions.
– Rugged and Reliable – IP65-rated for jet-water, shock, and dust resistance; meets military-grade durability standards.
– Extended Battery Life – Up to 5 hours of PTT talk time and 16.5 hours standby.
– Fastest Satellite PTT – Less than 2 seconds to initiate a talkgroup and under 1 second of audio delay.
– Safety Ready – Includes a dedicated SOS emergency button (available in phone mode).
– Compact and Ergonomic – Lightweight design with diamond-treaded grip for in-hand comfort and control.
– Versatile Mounting Options – Compatible with headsets, external antennas, and vehicle or building docks (sold separately).
– Smart Group Management – Manage up to 15 talkgroups via the Iridium Command Center web app.
– Mission-Focused Design – Ideal for field teams, emergency response, government, and remote industry operations.


Technical Specifications

  • Dimensions: 140 mm x 60 mm x 32 mm (5.5" x 2.4" x 1.2")

  • Weight: 268 g (9.5 oz)

  • Operating Temperature: -10°C to 55°C (14°F to 131°F)

  • Phone Mode Battery Life: Up to 54 hours standby / 6.5 hours talk time

  • PTT Mode Battery Life: Up to 16.5 hours standby / 5 hours talk time


What’s Included

  • Iridium Extreme® PTT device

  • High-capacity battery

  • Travel charger with international adapters

  • Car charger

  • Leather case

  • USB data cable

  • Two accessory adapters

  • Magnetic vehicle-mount antenna (5’ cable)

  • Hands-free earpiece with microphone

  • User manual


Warranty & Support

  • 1-Year Manufacturer’s Warranty

  • Free Shipping within the continental U.S.

  • PTT service plan required (flat monthly rate for unlimited talkgroup communication)


User Manuals

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