
Iridium Extreme® PTT
Manufacturer : Iridium
Model : 9575P / PN: FPKT1901
-
Dual-Mode Handset for Push-To-Talk and Telephony
-
PTT, Voice, Data, SMS, SOS, GPS, and Location-Based Services
-
Interoperable with other PTT and LMR Systems
-
MIL-STD 810F Military-Grade Durability & IP65 Ingress Protection (IP) Rating
-
Reinforced Push-To-Talk Button and Diamond-Treaded Tapered Grip
Iridium Extreme® PTT
Manufacturer : Iridium
Model : 9575P / PN: FPKT1901
-
Dual-Mode Handset for Push-To-Talk and Telephony
-
PTT, Voice, Data, SMS, SOS, GPS, and Location-Based Services
-
Interoperable with other PTT and LMR Systems
-
MIL-STD 810F Military-Grade Durability & IP65 Ingress Protection (IP) Rating
-
Reinforced Push-To-Talk Button and Diamond-Treaded Tapered Grip

The only truly global Push-To-Talk system.
Iridium Extreme PTT brings reliable group communications to the next level with truly global Push-To-Talk (PTT), voice, data, SMS, SOS, GPS, and Location-Based Services. This durable, dual-mode handset features a reinforced push-to-talk button and high audio loudspeaker, delivering fast and simple communications.
Coordinate and Control
The Iridium Extreme® PTT is the device for global dependability, adaptability and durability. Only Iridium can deliver the power of fast, simple and secure group communication with the toughest, most feature-rich PTT-enabled satellite phone on the market.
- Dual Mode
-
PTT and phone modes for one-to-many or one-to-one communications
- Extreme Durability
-
Weather-resistant keypad, wind-resistant microphone, IP65, MIL-STD 810F
- Secure Communications
-
Secure and private comms with AES-256 Encryption
- Interoperablity
-
Works with other PTT devices and Land-Mobile Radio (LMR) systems
- Versatility
-
Can be used on-foot, In-vehicle, or in-building with Iridium PTT accessories
- Emergency Ready
-
One-touch, programmable SOS button for 24/7 emergency assistance available in phone mode
- Iridium PTT Command Center
-
Drag and drop interface to easily configure users, talkgroups, and coverage areas in real time over-the-air by administrators or operation centers

Related Case Studies
Related Case Studies
Working directly with the customer to test, deploy, and train workers, Iridium service provider Network Innovations and their partner Tel-Loc leveraged existing Iridium Push-To-Talk solutions to keep field workers, medical and safety personnel, and operations centers connected throughout the development of a new utility line.
Product Specifications and Certifications
Mechanical | |
---|---|
Dimensions (L x W x H) | 140mm x 60mm x 32mm |
Weight | 268 g |
Environmental | |
Operating Temperature Range | 10 to 55 ℃ |
Durability Standard | MIL-STD 810F |
Ingress Protection | IP65 |
Battery | |
Battery Life, Talk Time | 5 hr |
Battery Life, Standy | 16.5 hr |
Network | |
Telephony | Yes |
Location Based Services | Yes |
User Experience | |
GEOS Support | Yes |
- ITU
- CE
- IC
- FCC Part 25
- Australia
- Mexico
Login to access additional resources
Resources
Post card for the Iridium Extreme PTT in English.
Iridium's general subscriber equipment end of life policy.
A fact sheet outlining the advantages of the Iridium Push-To-Talk service, including unique capabilities and network infrastructure.
Software upgrade for Iridium Direct Internet on Mac.
Software upgrade for Iridium Direct Internet on 32bit Windows.
Software upgrade for Iridium Direct Internet on 64bit Windows.
- IRDM-1023-SRN-004 V6.1 - Iridium Extreme PTT Software Release Note - HP21001
- Iridium Extreme PTT Software Upgrade HP21001 Installer
Software Upgrade Installer and Software Release Note (HP19004) for Iridium Extreme PTT packaged in a .zip file dated March 31, 2020.
USB driver installer v1.3 for Iridium Handset.
- Software Release Note
- Software Upgrade Installer
Lifestyle Imagery of the Iridium Extreme PTT.
Transparent Lifestyle Imagery of the Iridium Extreme PTT being used by a Construction Worker
Lifestyle Imagery of the Iridium Extreme PTT being used by a utilities repair person during a weather related emergency
Lifestyle Imagery of the Iridium Extreme PTT being used at an Oil Derrick
Lifestyle Imagery of the Iridium Extreme PTT being used on an oil platform
Infographic detailing how Iridium's Land Mobile Solutions work in comparison to traditional terrestrial solutions
Iridium's satellite subscriber service policy.
Installation Guide for Iridium Direct Internet on Windows and Mac.
Flowchart walkthrough for accessing your Iridium Personal Voicemail.
Sales tool brochure of accessories available for the Iridium Extreme PTT.
Infographic with step-by-step guide to test Iridium phones.
A 3-minute instructional video detailing How to Operate the Iridium Extreme® PTT in English.
Recorded: September 15,2020
Format: Mp4, 720p
Video testimonial from Iridium partners Arion and Kaigai on the power of Iridium Push-To-Talk during disaster response. Part of the One Million Subscribers marketing campaign.
- Certificate Registration No. 10011933 UM15
- Date of Original Certificate: 2018-10-08
- Date of Certification: 2024-07-29
- Valid Until: 2027-08-06
- Certificate Registration No. 10011933 QM15
- Date of Certification: 2024-08-07
- Valid Until: 2024-08-06