Description

Shakespeare Phase III 4 ft AIS/VHF Marine Antenna with Ratchet Mount (SHA-6396-AIS-R)

Get the most out of your AIS transponder and VHF radio with a single, purpose-built antenna. The Shakespeare Phase III 6396-AIS-R is a 4-foot fibreglass antenna tuned to cover both the standard VHF marine band and the dedicated AIS frequencies (161.975 & 162.025 MHz) — eliminating the need for a separate AIS antenna and the associated splitter or second cable run. The integrated ratchet mount adds practical versatility for trailering, bridge clearance, and covered slip storage.

Key Features

• Dual-purpose AIS + VHF tuning — one antenna handles both your radio and AIS transponder
• Optimised for AIS frequencies (161.975 & 162.025 MHz) and the full VHF marine band
• 3 dBd gain for reliable range on both VHF voice and AIS target acquisition
• 4-foot (1.2 m) fibreglass construction — lightweight, rigid, and corrosion-resistant
• Integrated ratchet mount folds and locks at multiple angles — no tools required
• Standard 1–14 UNS thread base fits most marine antenna mounts and rail brackets
• UV-stabilised fibreglass radome for long-term durability in the marine environment

Why a Dedicated AIS Antenna?

Using a standard VHF antenna with an AIS splitter introduces insertion loss that can reduce AIS target range and transmission reliability. The 6396-AIS-R is factory-tuned for AIS frequencies, delivering optimal VSWR at 162 MHz without compromise — so you see more targets and are seen at greater range.

Specifications

• SKU: SHA-6396-AIS-R
• Brand: Shakespeare
• Series: Phase III
• Length: 4 ft (1.2 m)
• Gain: 3 dBd
• Frequency: VHF Marine Band + AIS (161.975 & 162.025 MHz)
• Mount: Ratchet (foldable), 1–14 UNS thread
• Construction: Fibreglass radome
• Estimated Weight: 0.9 kg

Note: This item is currently out of stock. Inventory tracking is suspended until further notice. Contact us to inquire about availability or lead times.