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XL Extreme™ 400P NFPA compliant

Your Connection When the Heat is On

Rock-solid and engineered to withstand anything the environment can throw at it, including your mission. Built to exceed today’s toughest industry standards. And yours.

XL Extreme 400P Radio and Speaker Mic

Just how tough is the XL Extreme 400P?

  • Dropped ruthlessly from 10 feet multiple times
  • Broiled at 500°F for 5 red-hot minutes
  • Shocked at 350ºF for 15 minutes 6 times
  • Torched at 1700ºF for 10 scorching seconds
  • Frozen and not letting go 
  • Drowned at 5 meters for 4 wet hours
  • Abraded with corrosive salt water and humidity 
  • Tumbled for 3 dizzying hours
  • Vibrated for up to 3 teeth-chattering hours
  • Stretched  up to 35 pounds
  • Compressed up to 442 excruciating pounds

That tough.

LEARN MORE ABOUT NEW STANDARDS

One Radio, All Bands

During multi-agency responses, this multiband portable provides superior interoperability, and secure voice and data.

  • Built-in LTE, Wi-Fi® and GPS®
  • End-to-end voice and data encryption
  • Fast, easy in-mask Bluetooth audio pairing 

Designed by and for Firefighter Challenges

Keeping everyone on your team connected is critical in extreme conditions such as fireground operations.

  • Top display with our unique visual zone coding
  • Color tagging and audio playback for last 5 calls
  • Larger emergency button and optional in-building location technologies

When lives are on the line, there’s no time for limitations. Discover how The XL Extreme is redefining safety, durability and unrivalled connectivity to support your mission. 

View the Video

Downloads

  • XL Extreme™ 400P Portable Radio Datasheet

    XL Extreme™ 400P Portable Radio Data Sheet

  • XL Extreme™ Speaker Microphone Spec Sheet

    XL Extreme™ Speaker Microphone Spec Sheet

  • Extreme Vehicular Charger spec sheet

    Premium Vehicular Charger Spec Sheet

  • Extreme Vehicular Charger spec sheet

    Premium Vehicular Charger Spec Sheet

  • XL Single-Bay+ Charger Spec Sheet

    XL Single-Bay+ Charger Spec Sheet

  • XL Premium 6-Bay Charger Spec Sheet

    XL Premium 6-Bay Charger Spec Sheet

  • 5 Questions to Ask Before Buying a Fire Radio

    5 Questions to Ask Before Buying a Fire Radio

  • XL Extreme™ 400P Portable Radio Flyer

    XL Extreme™ 400P Portable Radio Flyer

  • XL Series Brochure

    XL Series Brochure

  • XL Series Radio Features

    XL Series Radio Features

  • XL Extreme 400P Portable Radio Quick Guide

    XL Extreme™ 400P Portable Radio Quick Guide

  • XL Extreme 400P Portable Radio Operator's Manual

    XL Extreme™ 400P Portable Radio Operator's Manual

  • La Serie XL de Dispositivos (Spanish-Española)

    La Serie XL de Dispositivos (Spanish-Española)

In The News

Firefighter with XL Extreme 400P Radio

Editorial | 08. 28. 2023

Technology Breakthroughs Solving Old Critical Communications Problems in New Ways

New technology notifies firefighters of elevated health dangers in extreme environments before they might notice effects, further protecting those who go into harm’s way.

Firefighter with XL Extreme 400P Radio

Editorial | 08. 28. 2023

Technology Breakthroughs Solving Old Critical Communications Problems in New Ways

NFPA-compliant XL Extreme Fire Radio with firehose, firefighters and fire truck in background

Editorial | 01. 20. 2023

Validating a New Standard That Passes the Harshest Tests

A firefighters dons the NFPA 1802 standard-certified, L3Harris XL Extreme™ 400P radio and XL Extreme Speaker Microphone.

Press release | 12. 14. 2022

L3Harris Emergency Responder Radio Solution Certified to NFPA Specifications

L3Harris to Showcase Largest Selection of Mission Critical Push-to-Talk Devices at IWCE 2022

Trade Release | 03. 22. 2022

L3Harris to Showcase Largest Selection of Mission Critical Push-to-Talk Devices at IWCE 2022

Firefighter with XL Extreme 400P Radio

Editorial | 10. 08. 2021

Taking Communication to the Extreme