Technical Data Sheet
3M
™
 PELTOR
™
 WS
™
 
LiteCom Pro III Headset
Description
The 3M
™
 PELTOR
™
 WS
™
 LiteCom Pro III Headset is the 
next generation protective communication solution. With 
an integrated, programmable analog/digital two-way 
radio, Bluetooth
®
 Multipoint connectivity, noise-cancelling 
microphone, and level-dependent function for ambient 
listening, the WS
™
 LiteCom Pro III Headset not only helps 
protect you against hazardous noise, but also makes it easy to 
communicate in noisy environments and helps you maintain 
situational awareness.
Features
•  Programmable analog/digital DMR two-way radio 
communication
•  Frequency range: 403 – 470 MHz
•  Bluetooth
®
 multipoint functionality
•  Water tight microphone (IP68)
•  Level-dependent function for ambient listening
•  Voice menu with multiple language selection
•  Push-to-Listen function
•  Rechargeable battery, Li-Ion
•  Voice operated transmission (VOX)
•  Busy channel indication
•  External connection jack
•  Auto power o function
•  Battery status indication
Applications
The 3M
™
 PELTOR
™
 WS
™
 LiteCom Pro III Headset oers 
wireless communication in noisy environments. Suitable for 
work in industrial and construction applications, where hands-
free communication and hearing protection are needed.
Standards
3M Svenska AB hereby declares that this 3M
™
 PELTOR
™
 
Headset is in compliance with the essential requirements 
and other provisions set out in the ACMA (Australian 
Communications and Medial Authority) regulations. The 
product has been tested by an accredited laboratory in 
accordance with the requirements in AS/NZS 1270 and has 
met the specications of hearing protector Class 5. When 
selected, used and maintained as specied in AS/NZS 1269, 
this hearing protector may be used in noise up to 110 dB(A) 
assuming an 85 dB(A) criterion. A lower criterion may require 
a higher protector class.
MT73H7A4D10EU MT73H7B4D10EU
MT73H7P3E4D10EU
Bluetooth
®
 
Connectivity
Hearing protection for 
communicating  with 
external two-way radio
Bluetooth
®
 MultiPoint 
technology for connecting 
to one or two external 
devices for hands-free talk 
and streaming
Level-dependent 
function for ambient 
listening to help improve 
situational awareness
Hearing protection with 
built in two-way radio
Testable with the 3M
™ ™
 
 Dual-Ear Validation System .  
Visit www.3m.com.au/eart