The Iridium Extreme® 9575 PTT (Push-to-Talk) Satellite Phone is a rugged, mission-critical communications device for teams operating beyond cellular coverage. Powered by the Iridium® satellite network, it delivers global satellite voice, instant Push-to-Talk communications, and reliable emergency response anywhere on Earth.

Designed for demanding field operations, the Iridium Extreme 9575 PTT supports fast team coordination, real-time emergency alerting, and integration with existing radio and communications networks—making it ideal for public safety, utilities, energy, defense, and remote industrial operations.

Key Features

Global satellite voice and PTT (Push-to-Talk) communications coverage via the Iridium network
Dual-mode operation: switch between satellite PTT and telephony; supports SMS/text and data
Instant one-to-one and one-to-many Push-to-Talk calling for real-time team coordination
Dedicated SOS button with emergency alerting and GPS tracking for fast response and real-time field visibility
Military-grade rugged design (MIL-STD-810F, IP65) and wide operating temperature range: 14°F to 131°F (-10°C to 55°C)
Reinforced PTT button and expanded loudspeaker for reliable use in harsh, noisy environments
Battery life: up to 5 hours PTT talk time; 16.5 hours standby with a field-replaceable, high-capacity battery
Supports a wide range of accessories, including PTT headsets, handsets, microphones, docking stations, and chargers
Supports integration with existing radio and communications networks. Please contact us to discuss integration options tailored to your operational requirements
Easy device and talkgroup management using the free PTT Command Center app
1-Year Manufacturer’s Warranty
Note: Iridium PTT devices require a monthly PTT service plan and talkgroup subscription. PTT plans feature a flat monthly rate with unlimited Push-to-Talk between users in the same talkgroup. Inquire for details and PTT service pricing.

When you choose PTT from BlueCosmo you’ll get more than just industry-leading products, you’ll have a nimble and expert partner with more than 30 years of experience that is fully committed to your organization’s success.

Features & Specs

Features & Tech Specs of Iridium Extreme PTT

Device Features

Dual mode – Phone (voice, SMS, data (and SOS)) and PTT
- Switch from phone to PTT in <10 seconds
- Switch from PTT to phone in <20 seconds
Meets military-grade durability standards
Jet-water, shock and dust resistance (IP65-rated)
Compact, lightweight design for ultimate portability
Diamond treaded, taper grip for in-hand ergonomics
Built-in PTT button
Integrated loudspeaker
Rugged, high-gain antenna
Daylight-readable, glare-resistant display
2.5 mm (0.1") headset and hands-free capability
Mini-USB data port
Dedicated SOS button (in phone mode only)

PTT Mode Features

In PTT mode, you have access to unparalleled situation awareness and control features users will expect with added capabilities including:

Fastest satellite-based PTT: <2 seconds to first initiate a talkgroup, <500 milliseconds once initiated
Low latency, <1 second audio delay front end
"PTT" service status displayed on LCD
Can be provisioned for up to 15 talkgroups including 1 priority talkgroup
Two PTT operating modes:
- Home mode – looks for activity on a specific talkgroup and participates in any sessions
- Scan mode – scans for activity on provisioned talkgroups and plays a few seconds of audio
Displays speaker’s device ID, distance and bearing
Over-the-air programming. Device auto-updates every 4 hours by default, or users can initiate on demand

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 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

Iridium Extreme PTT Brochure

Iridium Extreme PTT User Manual

Iridium Product Comparison

Push-To-Talk Product Comparison

PTT Video

Coverage

Iridium Coverage

Only Iridium provides 100% global communications coverage

Stay connected everywhere. Iridium is the leading commercial satellite network in the world and the only one that provides voice and data communications across every inch of the planet — including the earth's oceans, airways and polar regions.

Push-to-talk coverage is available everywhere on Earth - on land, at sea, and in the air. PTT service usage is available anywhere within the radius of the talkgroup areas you define in the Command Center app.

Iridium Network

Applications

Popular Applications for the Iridium Extreme® PTT radio

In-hand, on-the-move

In-vehicle communication and tracking

In-building communication

Command Center

Iridium PTT Command Center

A powerful, intuitive dashboard for centralized control.

The true power of the Iridium Push-to-Talk solution lies within the Command Center. The intuitive and robust web-based tool offers the complete flexibility to manage talkgroups, coverage areas, and PTT devices on the fly within seconds.

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PTT Plans

Iridium Satellite PTT Service Plans

Iridium service plans for the PTT devices can be either three (3) months or twelve (12) months. Both plans offer the convenience of unlimited PTT usage and cost flexibility by size of coverage area.

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