---
product_id: 594056083
title: "NANZU Signal modulator, RF Modulator AV to RF Converter NTSC CH3/CH4 Channels Video Input Adapter for TVs with Analog Signals Professional HD VHF Demodulator Converter for CATV System"
brand: "nanzu"
price: "¥5883"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/594056083-nanzu-signal-modulator-rf-modulator-av-to-rf-converter-ntsc
store_origin: JP
region: Japan
---

# Plug & play, no drivers needed PLL-controlled VHF frequency Selectable CH3/CH4 output NANZU Signal modulator, RF Modulator AV to RF Converter NTSC CH3/CH4 Channels Video Input Adapter for TVs with Analog Signals Professional HD VHF Demodulator Converter for CATV System

**Brand:** nanzu
**Price:** ¥5883
**Availability:** ✅ In Stock

## Summary

> 📺 Transform your AV setup with pro-grade RF modulation—stay ahead of the analog curve!

## Quick Answers

- **What is this?** NANZU Signal modulator, RF Modulator AV to RF Converter NTSC CH3/CH4 Channels Video Input Adapter for TVs with Analog Signals Professional HD VHF Demodulator Converter for CATV System by nanzu
- **How much does it cost?** ¥5883 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/594056083-nanzu-signal-modulator-rf-modulator-av-to-rf-converter-ntsc)

## Best For

- nanzu enthusiasts

## Why This Product

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

## Key Features

- • **Zero Hassle Setup:** Plug and play convenience means no drivers, no delays—just instant, reliable signal modulation.
- • **Channel Flexibility:** Switch easily between CH3 and CH4 to avoid broadcast conflicts and optimize viewing.
- • **Durable & Portable Design:** Compact, rugged build crafted for long-lasting professional use and easy setup anywhere.
- • **Precision PLL VHF Control:** Stable, interference-free signal modulation for flawless CATV integration.
- • **Seamless Analog to RF Conversion:** Effortlessly bridge legacy AV devices to modern TVs with crisp NTSC output.

## Overview

The NANZU Signal Modulator is a professional-grade RF modulator and demodulator designed for seamless conversion of analog AV signals to NTSC RF output on selectable CH3/CH4 channels. Featuring PLL-controlled VHF frequency stability, a durable compact design, and plug-and-play operation without driver installation, it’s ideal for local CATV systems and legacy device integration.

## Description

Specifications: Model: M61A Standard: NTSC Material: ABS Frequency Range: CH3=61.25MHz / CH4=67.25MHz Output Impedance: 75 OHm Output Level: 80±5dBμV Sound System: M=4.5MHz Video Input Impedance: 75 Ohms/1k Ohms (Switch able) Audio Input Impedance: 13±3k Ohms TV to ANT Insertion Loss 50-860: -6±2dB A/V Connector: RCA female  RF Input: F female RF Output: F female Power Consumption: USB 5V DC Operating Temperature: 0℃ ~ +40℃ Item Size: 62 * 63 * 25mm / 2.44 * 2.48 * 0.98in Item Weight: 52g / 1.83oz Package Weight: 107g / 3.77oz Package Size: 13 * 10 * 3cm / 5.12 * 3.94 * 1.18in  Package List: 1 * RF Modulator 1 * USB Cable 1 * User Manual (English)

## Features

- The RF modulator is fit for your own local CATV system.
- VHF working frequency for PLL controlled, HD input, A/V output, RF output. Selectable output channels.
- The RF coaxial converter supports NTSC TV format output, no need to install driver program, portable, flexible, plug and play.
- The VHF demodulator converter has personalised design, exquisite workmanship, making you fondle admgly.
- The RF modulator is made of high quality plastic material, sturdy, durable and long service life. Professional manufacturing, stable characteristics and high reliability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 13 x 10 x 3 cm |

## Product Details

- **Brand:** NANZU
- **Maximum supply voltage:** 5 Volts
- **Minimum supply voltage:** 5 Volts
- **Mounting type:** Table Top
- **Interface type:** Coaxial, USB

## Images

![NANZU Signal modulator, RF Modulator AV to RF Converter NTSC CH3/CH4 Channels Video Input Adapter for TVs with Analog Signals Professional HD VHF Demodulator Converter for CATV System - Image 1](https://m.media-amazon.com/images/I/61pAmgFEXfL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/594056083-nanzu-signal-modulator-rf-modulator-av-to-rf-converter-ntsc](https://www.desertcart.jp/products/594056083-nanzu-signal-modulator-rf-modulator-av-to-rf-converter-ntsc)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-11*