---
product_id: 458217962
title: "20ft CB Base Station Antenna, 27MHZ Aluminum Alloy CB Base Antenna, 3.5dBi High Gain & Low VSWR & All-Weather Resilience & Pre-assembled"
brand: "uayesok"
price: "$294.35"
currency: USD
in_stock: true
reviews_count: 8
category: "Uayesok"
url: https://www.desertcart.us/products/458217962-20ft-cb-base-station-antenna-27mhz-aluminum-alloy-cb-base
store_origin: US
region: United States of America
---

# VSWR < 1.5 for Clear Signal 3.5dBi High Gain Withstands 100 km/h Wind 20ft CB Base Station Antenna, 27MHZ Aluminum Alloy CB Base Antenna, 3.5dBi High Gain & Low VSWR & All-Weather Resilience & Pre-assembled

**Brand:** uayesok
**Price:** $294.35
**Availability:** ✅ In Stock

## Summary

> 📡 Elevate your signal game—stay connected, no matter the weather!

## Quick Answers

- **What is this?** 20ft CB Base Station Antenna, 27MHZ Aluminum Alloy CB Base Antenna, 3.5dBi High Gain & Low VSWR & All-Weather Resilience & Pre-assembled by uayesok
- **How much does it cost?** $294.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/458217962-20ft-cb-base-station-antenna-27mhz-aluminum-alloy-cb-base)

## Best For

- uayesok enthusiasts

## Why This Product

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

## Key Features

- • **Robust & Reliable Build:** 6-section aluminum whip with secure pole fit (Φ55-Φ65mm) ensures stability and durability
- • **Plug & Play Installation:** Pre-assembled with UHF-female connector, ready to mount in under 30 minutes
- • **Built to Brave the Elements:** All-weather aluminum alloy design endures -50°C to 70°C and strong winds
- • **Crystal-Clear Long-Range Communication:** 3.5dBi gain optimizes signal strength for urban and rural clarity
- • **Precision Signal Tuning Out of the Box:** Near-perfect VSWR (<1.5) means no fiddling, just instant performance

## Overview

The UAYESOK 20ft CB Base Station Antenna delivers high-gain 3.5dBi performance across 26-28MHz with a low VSWR under 1.5 for superior signal clarity. Crafted from durable aluminum alloy, it withstands extreme temperatures (-50°C to 70°C) and winds up to 100 km/h. Pre-assembled and easy to install on poles (Φ55-Φ65mm), this antenna ensures quick setup and reliable long-range communication for professional and hobbyist CB radio users alike.

## Description

desertcart.com: UAYESOK 20ft CB Base Station Antenna, 27MHZ Aluminum Alloy CB Base Antenna, 3.5dBi High Gain & Low VSWR & All-Weather Resilience & Pre-assembled : Electronics

Review: Great value! - Great antenna for the price!! Easy to assemble and install. Reception and transmission are excellent. SWR is near perfect right out of the box. The needle barely moves. No tuning needed.
Review: Very good buy. - Goes up easy, works good, swr is perfect out of the box, better signal than expected

## Features

- Frequency Range: 26-28MHz; Bandwidth: 2MHz; Input Impedance: 50Ω; VSWR: less than 1.5; Maximum Power: 100W
- [3.5dBi Gain] Optimizes signal concentration for clearer long-range communication, reducing interference in urban/rural areas
- 6 section aluminum alloy whip ; Connector Type: UHF-female(SO239); Length: ≤6200(mm); Gross Weight: 2.8(KG); Hold pole diameter: Φ55-Φ65(mm); Wind Velocity: 100(km/h)
- [All-Weather Resilience] Durable and corrosion-resistant in -50°C to 70°C
- [Easy Mounting & Stability] Secure attachment to poles or masts for roof/tower installation, The antenna installation can be completed within 30 minutes
- Packing Size: 1100*160*120(mm); with ground plane and installation instructions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B3XBNSPX |
| Best Sellers Rank | #304 in Two-Way Radio Antennas |
| Brand | UAYESOK |
| Color | Gold, White, Yellow |
| Customer Reviews | 4.5 out of 5 stars 71 Reviews |
| Manufacturer | Quanzhou Hai Mao Wei Communication Co., Limited |
| Maximum Range | 20 Feet |
| Number of Channels | 1 |

## Product Details

- **Antenna:** cb base antenna
- **Brand:** UAYESOK
- **Color:** Gold, White, Yellow
- **Number of Channels:** 1
- **Impedance:** 50 Ohm
- **Maximum Range:** 20 Feet
- **Manufacturer:** Quanzhou Hai Mao Wei Communication Co., Limited
- **Number of Items:** 1

## Images

![20ft CB Base Station Antenna, 27MHZ Aluminum Alloy CB Base Antenna, 3.5dBi High Gain & Low VSWR & All-Weather Resilience & Pre-assembled - Image 1](https://m.media-amazon.com/images/I/61RlG3BVirL.jpg)

## Questions & Answers

**Q: Will my 200 watt radio work with this antenna?**
A: Sorry, the Maximum Power of the antenna is 100w

**Q: No good does not work swr way too high how to adjust it?**
A: Thank you for your message, Please ensure that the device is properly connected, Please ensure the test frequency(26-28mhz), check antenna installation way and installation position, feeder line, Please feel free to contact us, we are more than happy to solve your problems.

**Q: How do you tune this?**
A: It is pretuned in 26-28MHz

**Q: Does this unit have to be grounded?**
A: No it doesn't need a ground

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great value!
*by E***W on February 6, 2026*

Great antenna for the price!! Easy to assemble and install. Reception and transmission are excellent. SWR is near perfect right out of the box. The needle barely moves. No tuning needed.

### ⭐⭐⭐⭐⭐ Very good buy.
*by E***D on July 17, 2025*

Goes up easy, works good, swr is perfect out of the box, better signal than expected

### ⭐⭐⭐⭐ Good swr
*by E***C on October 25, 2025*

Works great, good swr

## Frequently Bought Together

- UAYESOK 20ft CB Base Station Antenna, 27MHZ 11meter Aluminum Alloy CB Base Antenna 3.5dBi 100W
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- Lightning ARRESTOR for CB or Ham Base Antennas - Workman A28

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-11*