Vitavox has designed and manufactured the VQ90401 UHF headset as a naval main broadcast magnetic loop system replacement.

These are used on the Royal Navy Astute class of submarine.

Features include:

• Greater clarity and less noise interference than magnetic loop
• Comfortable, passive attenuation
• Protection from sound levels above 87dB(A)
• Typical attenuation @1,000Hz reduction of 30 dB(A)
• Operates at 864.5MHz to satisfy the exacting EMC requirements
• Fully integrated with the standard issue MK7 cloth flight deck helmet
• Standard twin AA batteries
• Standby mode lasting up to 120 hours
• Up to 60 hours receiving transmitted signal
• Manufactured from highest grade ABS noise attenuating plastic
• On/Off, out of range & low battery audio and visual warnings
• Magnetic loop compatible, receive-only version is also available and may be easily upgraded in the future to UHF if and when required
• Requires UHF transmitter