---
product_id: 127772316
title: "JCHENG Wireless 433MHz Signal Amplifier Repeater for Alarm System"
brand: "jcheng security"
price: "3731611₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/127772316-jcheng-wireless-433mhz-signal-amplifier-repeater-for-alarm-system
store_origin: VN
region: Vietnam
---

# Extended Range 433MHz Frequency Power Boost JCHENG Wireless 433MHz Signal Amplifier Repeater for Alarm System

**Brand:** jcheng security
**Price:** 3731611₫
**Availability:** ✅ In Stock

## Summary

> 🔒 Secure Your Space, Amplify Your Peace of Mind!

## Quick Answers

- **What is this?** JCHENG Wireless 433MHz Signal Amplifier Repeater for Alarm System by jcheng security
- **How much does it cost?** 3731611₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/127772316-jcheng-wireless-433mhz-signal-amplifier-repeater-for-alarm-system)

## Best For

- jcheng security enthusiasts

## Why This Product

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

## Key Features

- • **📏 Extended Coverage:** Boosts transmission distance, perfect for multi-room setups.
- • **💼 Exceptional Support:** 30-day money-back guarantee and lifetime tech support.
- • **🔄 User-Friendly Setup:** Quick installation with no technical expertise required.
- • **🔧 Seamless Connectivity:** Enhances weak signals for uninterrupted security.
- • **🛡️ Reliable Performance:** Designed specifically for 433MHz alarm systems.

## Overview

The JCHENG Wireless 433MHz Signal Amplifier Repeater is engineered to enhance the performance of your 433MHz alarm systems. It effectively extends the communication range between the alarm host and its sensors, ensuring reliable security coverage even through multiple walls or doors. With a commitment to quality, JCHENG offers a 30-day money-back guarantee, a two-year warranty, and lifetime tech support.

## Description

JCHENG Wireless 433MHz Signal Amplifier Repeater for Alarm System

## Features

- The Signal Amplifier is specialized in 433MHz , specially for 433MHz alarm kit
- The Wireless signal repeater is a special kind device for extending distance between alarm host and its detectors or sensors
- It can enhance the original weak signal with stronger power so that enlarge the transmitting distance
- If you are using 433MHz based alarm series, if there has many walls or doors between alarm host and detectors/sensors, then it would be your ideal choice
- 【JCHENG’S After Service】30 days Money Refund,2 years quality warrantee and life time tech support. Any question or advise on our product, please feel free to contact us by support@jcheng-security.com, will reply you within 24 Hours

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JNSHL8Q |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #678,983 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,008 in Home Security Systems #2,320 in Household Sensors & Alarms |
| Color | Black |
| Customer Reviews | 3.7 3.7 out of 5 stars (10) |
| Date First Available | October 24, 2018 |
| Included Components | Instruction manual |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.8 ounces |
| Manufacturer | Shenzhen Jing Cheng Digital Surveillance Co.,Ltd |
| Package Dimensions | 6 x 4.1 x 2.53 inches |

## Product Details

- **Brand:** JCHENG SECURITY
- **Wireless communication standard:** Radio Frequency
- **Special feature:** Advanced Signal Amplification
- **Included components:** Installation manual
- **Compatible devices:** Alarm system sensors/detectors, control panel

## Images

![JCHENG Wireless 433MHz Signal Amplifier Repeater for Alarm System - Image 1](https://m.media-amazon.com/images/I/51cfROFSBBL.jpg)
![JCHENG Wireless 433MHz Signal Amplifier Repeater for Alarm System - Image 2](https://m.media-amazon.com/images/I/61ScdX0XvCL.jpg)

## Frequently Bought Together

- JC Wireless 433Mhz Signal Amplifier Repeater for Alarm System
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**Shop now:** [https://www.desertcart.vn/products/127772316-jcheng-wireless-433mhz-signal-amplifier-repeater-for-alarm-system](https://www.desertcart.vn/products/127772316-jcheng-wireless-433mhz-signal-amplifier-repeater-for-alarm-system)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-10*