---
product_id: 375701535
title: "433MHz Omni Antenna 3dBi 50W SMA Male RG58 3M Cable Mount Bracket"
brand: "hys"
price: "$139.36"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/375701535-433mhz-omni-antenna-3dbi-50w-sma-male-rg58-3m-cable
store_origin: US
region: United States of America
---

# 3.0 dBi Gain 50 Ohm Impedance 3m RG58 Coaxial Cable 433MHz Omni Antenna 3dBi 50W SMA Male RG58 3M Cable Mount Bracket

**Brand:** hys
**Price:** $139.36
**Availability:** ✅ In Stock

## Summary

> 📶 Elevate your signal game with unmatched range and reliability!

## Quick Answers

- **What is this?** 433MHz Omni Antenna 3dBi 50W SMA Male RG58 3M Cable Mount Bracket by hys
- **How much does it cost?** $139.36 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/375701535-433mhz-omni-antenna-3dbi-50w-sma-male-rg58-3m-cable)

## Best For

- hys enthusiasts

## Why This Product

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

## Key Features

- • **Robust 3.0 dBi Gain:** Boost your device’s range with a powerful omni-directional antenna gain.
- • **Lightning-Proof Design:** Direct ground lightning protection ensures safety and longevity in any environment.
- • **Seamless 433MHz Connectivity:** Optimized for crystal-clear signal reception and transmission at 433MHz frequency.
- • **Durable Stainless Steel Mount:** Weatherproof mounting bracket built for both indoor and outdoor reliability.
- • **Plug & Play SMA Male Connector:** Easy installation with a 3-meter RG58 coaxial cable and SMA male plug for versatile device compatibility.

## Overview

The HYS433Mhz 3dBi Omni Antenna features a 50 Ohm impedance and 3.0 dBi gain for superior 433MHz signal performance. Equipped with a 3-meter RG58 coaxial cable and SMA male plug, plus a stainless steel mounting bracket, it’s designed for durable indoor/outdoor use with built-in lightning protection for enhanced safety.

## Description

HYS 433Mhz 3dbi Omni Antenna 50 Ohm GSM Aerial W/3M(9.8ft) RG58 Coaxial Cable SMA Male Plug and Mounting Bracket

## Features

- [Electrical specifications] Frequency Range(MHz):433MHz; Impedance:50 ohm Gain:3.0dBi; Polarization:Vertical; Radiation:Omni;
- [Electrical specifications] VSWR:<1.5; Lighting Protection:Direct Ground; Maximum input power:50W.
- [Mounting Bracket&Coaxial Cable] Antenna Mounting Bracket made from stainless steel, designed for indoor and outdoor use. 433Mhz antenna with 3M(9.8ft) RG58 Coaxial Cable SMA MALE Plug.
- [433Mhz Antenna] 433Mhz Antenna Designed for any 433Mhz device for receivers, 433Mhz antenna for 433Mhz Device receivers to improve signal reception and transmition range.
- [Coaxial Cable] Outdoor antenna with protective covering for receivers provided with 3m (9.8ft) RG-58 cable.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086YV2QLS |
| Antenna | 433MHz Omni Antenna |
| AntennaDescription | 433MHz Omni Antenna |
| Best Sellers Rank | #543 in Radio Antennas |
| Brand | HYS |
| Color | Silver |
| Customer Reviews | 4.3 out of 5 stars 137 Reviews |
| Impedance | 50 ohm |
| Item Dimensions L x W x H | 12.8"L x 7.68"W x 12.8"H |
| Manufacturer | QUANZHOU TRUEST COMMUNICATION CO. ,LIMITED |
| Maximum Range | 9.8 feet |
| Mfr Part Number | TC-UM433 |
| Model Number | TC-UM433 |
| Number of Channels | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Warranty Description | This item can be returned in its original condition for a refund or replacement within 30 days of receipt. |

## Product Details

- **Antenna:** Radio
- **Brand:** HYS
- **Colour:** Silver
- **Number of channels:** 1
- **Impedance:** 50 Ohm

## Images

![433MHz Omni Antenna 3dBi 50W SMA Male RG58 3M Cable Mount Bracket - Image 1](https://m.media-amazon.com/images/I/61sTY7WVJwL.jpg)

## Frequently Bought Together

- HYS 433Mhz 3dbi Omni Antenna 50 Ohm GSM Aerial W/3M(9.8ft) RG58 Coaxial Cable SMA Male Plug and Mounting Bracket
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-19*