Shakespeare 399-1M 9'6" VHF Antenna [399-1M]

Name: Shakespeare 399-1M 9'6" VHF Antenna [399-1M]
Brand: Shakespeare
SKU: EM-10599
Price: 355.99 USD
Availability: InStock

Shakespeare | SKU: EM-10599 | Barcode: 719441100032

$64.00 off

$355.99 $419.99

Refund & Return Policy

Returns are accepted within 30 days after shipment. To be eligible for a return, items must be unused, uninstalled, and in their original packaging, and proof of purchase is required. The following items are not eligible for return: Installed or used products, clearance or final-sale items, trolling motors, programmed AIS units, KVH Starlink products that are registered or opened, special-order products, or products displaying the notice “This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.” in their description. Opened or unsealed DVDs, CDs, or cartography (unless defective) are not eligible for return. Return Merchandise Authorization (RMA) numbers are required for all returns. Learn more.

Shipping Policy

Egret Marine ships marine parts and accessories within the contiguous United States only. Orders are typically processed same day if placed before 3pm CST, excluding weekends and holidays. Learn more.

Product Details

Style 399-1M VHF 6dB

Collinear Phased 5/8-wave with two coaxial chokes to suppress cable radiation

The Style 399-1M is the same as the 399-1, but it has a special sleeve for mast mounting. A professional quality antenna in a compact package. This extra-duty antenna combines strength and performance for use where you really need the efficiency of a large antenna, but don't have room for one.

Brass and copper elements
Chrome-plated brass ferrule with standard 1"-14 thread
Aluminum sleeve for mast mounting
Suggested mount: 1-1/4" U-bolts are supplied. The 399-1M can be strapped to a larger mast using steel banding (not supplied)
Two sections: Base 75"; Tip 39" UPS shippable

Technical Specifications:

Frequency:	VHF Marine band
Bandwidth:	(within 2.0:1 SWR): 5MHz
SWR:	1.5:1 at 156.8 MHz
Impedance:	(ohms): 50
Gain:	6 dB
Max Input (Watts):	100
DC Ground:	YES
Termination:	SO - 239
Height (feet):	9.5
Polarization:	Vertical
Radiation pattern:	Omni-directional

Specifications:

Antenna Band: VHF
Color: White
Construction: Fiberglass
Ferrule Type: Chrome Plated
Length (Inches): 114"
Box Dimensions: 5"H x 5"W x 88"L WT: 5.2 lbs
UPC: 719441100032

Quick Guide (pdf)

How to Use Trim Tabs for Better Boat Handling and Efficiency
How to use boat trim tabs for better handling, faster planing, and improved fuel efficiency.
Boat Fuel System Care: How to Prevent Ethanol Damage and Keep Your Engine Running
Ethanol in marine fuel can cause phase separation, corrosion, and clogged filters. Learn practical steps for stabilizers, filtration, tank management, and maintenance.
Marine VHF Radio Guide: How to Choose, Use, and Maintain Yours for Safety
Learn how to choose a fixed-mount or handheld marine VHF radio, use DSC and channels correctly, and maintain it so it works when you need it most.
Marine Battery Guide: AGM vs Lithium vs Flooded – Which Is Best for Your Boat?
Compare AGM, lithium (LiFePO4), and flooded marine batteries. Learn about capacity, lifespan, weight, charging, and which type fits your boat’s needs.
Marine Bilge Pump Sizing Guide: How to Choose the Right Pump for Your Boat
An undersized or failing bilge pump is one of the most overlooked safety risks on recreational vessels — and one of the easiest to fix before it becomes a problem....
How to Winterize a Boat Engine: Step-by-Step Guide for Inboards and Outboards
Every fall, thousands of boaters skip proper engine winterization — and pay for it come spring with cracked blocks, corroded fuel systems, and costly repairs. Whether you run an inboard,...
The Art of Setting Anchor: Tips Every Boater Should Know
Master the fundamentals of setting anchor — from choosing the right anchor type to proper scope, setting technique, and keeping watch. Essential tips for boaters of every experience level.
Gear Up: Essential Equipment for Your Next Outdoor Adventure
The right gear makes any outdoor adventure safer and more enjoyable. From navigation and shelter to water filtration and first aid, here's the essential kit for boaters and outdoor enthusiasts.
Boat Camping 101: How to Sleep Under the Stars on the Water
Boat camping combines the best of boating and the outdoors. Learn how to pick an anchorage, set up for overnight, sleep comfortably, cook aboard, and leave no trace on the...
Your Spring Boat Commissioning Checklist: Get Back on the Water Right
Spring is here — time to get your boat back in shape. Work through this comprehensive commissioning checklist covering engine, fuel, electrical, safety gear, hull, and plumbing systems.
How to Winterize Your Boat: A Step-by-Step Guide to Laying Up Right
Proper winterization protects your boat through the off-season and sets you up for a smooth spring launch. Follow this step-by-step guide to lay up your boat the right way.
AIS Explained: What It Is, How It Works, and Why Every Boater Should Care
AIS — the Automatic Identification System — lets boats broadcast and receive real-time position data. Learn how it works, what type to buy, and why it matters for recreational boaters.