Specifications
ParameterValue
Cable TypeShielded twisted-pair, 2–8 conductors, tinsel/copper alloy
ConnectorsNATO U-174/U, U-229/U, LEMO, Nexus TP-120, custom MIL circular
Audio ChannelsMono / stereo, electret or dynamic microphone
Impedance150 Ω (mic), 32–300 Ω (headphones)
Noise Rejection> 40 dB common-mode (balanced), > 90% braid coverage shield
Water ResistanceIP67 (mated), IP65 (cable body)
Temperature Range-55°C to +125°C (silicone jacket); -40°C to +85°C (TPU jacket)
PTT IntegrationIn-line PTT switch with recessed button; optional VOX module
Cable Length600–1200 mm (standard); custom lengths available
StandardsMIL-STD-810, MIL-STD-461 (EMI), STANAG 4340
Key Features

Noise-Cancelling Audio

Balanced twisted-pair with > 90% braid shield for clear voice in high-EMI environments — armored vehicles, aircraft, naval CIC.

Quick-Disconnect

Breakaway connectors for rapid helmet removal in emergency egress. Auto-sealing dust caps.

Field-Repairable

Overmolded strain reliefs with field-replaceable connector inserts. No soldering required.

Coiled & Straight

Retractable coiled cord with 4:1 stretch ratio for vehicle crews; straight low-profile for dismounted infantry.

VOX-Ready

Integrated voice-operated switch module for hands-free communication in CBRN and EOD suits.

Custom Pinout

Radio-specific wiring for AN/PRC-152, AN/PRC-117G, AN/PRC-148, and commercial Harris/Motorola radios.

Radio Compatibility
Radio SystemConnectorLead Type
AN/PRC-152 (Falcon III)6-pin NATO U-229/UCoiled, PTT, stereo audio
AN/PRC-117G6-pin NATO U-229/UStraight, dual PTT, mono
AN/PRC-148 (MBITR)5-pin U-283/UCoiled, vox-ready
AN/PRC-163 (SDR)10-pin LEMOStraight, stereo + data
Vehicle ICS (AN/VIC-3)U-174/U or U-384/UCoiled heavy-duty, 4-cond
Aircrew (HGU-55/P)CX-4708/A equivalentLow-profile, 2-channel

Request Helmet Lead Quote

Specify radio model, connector type, cable length, and PTT/VOX requirements.
Email: info@airoadcon.com