---
product_id: 54031859
title: "Sirio SB 3U Marine VHF Marine Antenna (156-163mhz) 100 Watts, 4.15 dBi"
brand: "sirio antenna"
price: "¥24053"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/54031859-sirio-sb-3u-marine-vhf-marine-antenna-156-163mhz-100
store_origin: JP
region: Japan
---

# Sirio SB 3U Marine VHF Marine Antenna (156-163mhz) 100 Watts, 4.15 dBi

**Brand:** sirio antenna
**Price:** ¥24053
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Sirio SB 3U Marine VHF Marine Antenna (156-163mhz) 100 Watts, 4.15 dBi by sirio antenna
- **How much does it cost?** ¥24053 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/54031859-sirio-sb-3u-marine-vhf-marine-antenna-156-163mhz-100)

## Best For

- sirio antenna enthusiasts

## Why This Product

- Trusted sirio antenna brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

3/4 λ marine antenna working on 156-163 MHz without Ground Plane. It is particularly protected against the worst sea climates. The conic glass fibre tube makes it strong so to get a full assurance. The radial whip is earthed in order to avoid stray R.F. currents and their discharges. It is supplied with a stainless steel bracket for an easy fitting on the top of the mast. In the mentioned range of frequencies adjustments are not required.

## Features

- About this item
- Marine antenna, Mono-band Low-gain, Omnidirectional Designed to work without Ground Plane Protection from static discharges DC-Ground Perfect protection against the worst weather conditions Provided with stainless steel bracket for an easy installation on mast top Stainless steel hardware High quality whip made of brass and copper protected by fiberglass tube     Type: 3/4 λ J-pole Frequency range @ SWR ≤2: SB 3 U: 155.8 - 160.1 MHz SB 3 S/...: 155.5 - 160.5 MHz Impedance: 50Ω Radiation (H-plane): 360° omnidirectional Radiation (E-plane): beamwidth @ -3 dB = 39°     Radiation angle deg.: 21° Polarization: linear vertical Gain: 2 dBd - 4.15 dBi Max. Power (CW) @ 30°C: 100 Watts Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short Cable length / Type: SB 3 U: not supplied Connector: SB 3 U: UHF-female     Materials: Fiberglass, Nylon, Chromed brass Height (approx.): 1465 mm Weight (approx.): SB 3 U: 300 gr     Made in Italy

## Images

![Sirio SB 3U Marine VHF Marine Antenna (156-163mhz) 100 Watts, 4.15 dBi - Image 1](https://m.media-amazon.com/images/I/31eRjqjTi-L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/54031859-sirio-sb-3u-marine-vhf-marine-antenna-156-163mhz-100](https://www.desertcart.jp/products/54031859-sirio-sb-3u-marine-vhf-marine-antenna-156-163mhz-100)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-04*