Axnes AS
Document number
Revision
Date
AX-PNG-UMAN-1219
Issue C
2018-Jun-05
Page 1-5
Confidential document and information
Section 1:
General information
Axnes AS has delivered the Polycon system to the rotary wing Search and Rescue segment
for decades. The system is widely adopted in this segment. The PNG system is based on the
functionality in the previous system, but enhances the functionality and performance based
on user feedback.
The PNG system incorporates the following main features:
•
Wireless extension of aircraft intercom system with significant range and robustness.
•
Full duplex operation.
•
Uninterrupted communication.
•
Support for keying of aircraft installed radios from the handheld.
•
Support for multiple communication groups.
•
Automatic microphone recognition on handhelds.
•
Integrated Microphone for Patient/Casualty communication in the handheld.
•
Handhelds are IP68 waterproof down to a depth of 3 meters.
•
Active noise reduction on microphone inputs giving excellent audio quality and VOX
performance in high/extreme noise environments.
•
Adaptive NIVOX (Axnes patented VOX), monitoring ambient noise environment and
minimising the effect of false triggers, and consequently noise flooding of intercom.
•
GPS homing of handheld radios in the aircraft, on control panel and possible
integration with map systems.
•
AIS-SART compatible device location beacon in handheld.
•
Support for mute and broadcast from aircraft side.
•
Intercom operation in UHF band 397-470MHz.
•
Handheld support for maritime VHF band for ship communication.
•
Flexible intercom interface, supporting high and low impedance systems.
•
All components available in NVG friendly versions.
Note: There are handhelds with different combinations of the following features:
Waterproofing, GPS, AIS, VHF, Bluetooth and internal speaker.
1.1 Document References
Ref #
Doc. Title
Doc number
[1]
PNG Installation and Interface Control Document
AX-PNG-TER-0044
[2]
System Specification for PNG BST50, CP50 and MP50
series
AX-PNG-SPC-0019
1.2 System
The PNG system enables wireless communication inside and outside the aircraft. The
system is very capable due to its robustness, range and noise reduction capabilities, as well
as interception free communication between the entire crew.
