---
product_id: 587367298
title: "Short Low Power AM Radio Transmitter Board, Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast with 21MHZ Crystal Frequency Stabilization"
brand: "cuifati"
price: "11565 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/587367298-short-low-power-am-radio-transmitter-board-sound-amplification-sw
store_origin: KG
region: Kyrgyzstan
---

# 21MHz crystal frequency stabilization Low power consumption: 50-80mA @ 9V Accurate sound modulation via transformer Short Low Power AM Radio Transmitter Board, Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast with 21MHZ Crystal Frequency Stabilization

**Brand:** cuifati
**Price:** 11565 som
**Availability:** ✅ In Stock

## Summary

> 📻 Own the airwaves with precision and power — your DIY broadcast just got legendary!

## Quick Answers

- **What is this?** Short Low Power AM Radio Transmitter Board, Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast with 21MHZ Crystal Frequency Stabilization by cuifati
- **How much does it cost?** 11565 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/587367298-short-low-power-am-radio-transmitter-board-sound-amplification-sw)

## Best For

- cuifati enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Versatility:** Compatible with any external sound source—smartphones, MP3 players, or computers—making your campus broadcast effortlessly professional.
- • **Power-Savvy Performance:** Operates efficiently at just 50-80mA, perfect for extended DIY projects without draining your power supply.
- • **Crystal-Clear Broadcasts:** 21MHz crystal oscillator ensures ultra-stable frequency for interference-free transmission.
- • **Interference-Free Signal:** Built-in filter capacitors minimize power supply ripple, guaranteeing clean and reliable transmissions every time.
- • **Precision Sound Modulation:** Transformer-based modulation delivers crisp, distortion-minimized audio clarity.

## Overview

This Short Low Power AM Radio Transmitter Board Kit features a 21MHz crystal frequency stabilization for stable, interference-resistant broadcasts. Designed for DIY enthusiasts and students, it offers accurate sound modulation through transformer technology, low power consumption (50-80mA at 9V), and a transmission range exceeding 10 meters. The kit includes all essentials—antenna, sound cable, and manual—enabling seamless setup for experimental or campus radio projects.

## Description

Short Low Power AM Radio Transmitter Board, Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast with 21MHZ Crystal Frequency Stabilization

## Features

- [ AM RADIO TRANSMITTER BOARD KIT] This transmitter board is designed for short radio experiments and tests, allowing users to understand the principle of AM modulation.
- [COMPREHENSIVE STRUCTURE] The board consists of power input, sound amplification, sound modulation, 21MHZ high frequency oscillation, class C high frequency amplification, and 21MHZ low pass filter.
- [MINIMIZE POWER SUPPLY INTERFERENCE] The professional AM radio transmitter board includes filter capacitors that reduce power supply interference ripples.
- [ACCURATE SOUND MODULATION] The secondary inductance sound voltage from transformer B1 is superimposed on the DC power, providing modulation voltage with the change of the sound source.
- [CRYSTAL FREQUENCY STABILIZATION] The 21MHZ high frequency oscillation is achieved with the parallel resonance of crystal Y1, offering stable and performance.

## Product Details

- **Brand:** Cuifati
- **Connectivity Technology:** Auxiliary
- **Tuner Technology:** AM
- **Power Source:** Battery Powered
- **Radio Bands Supported:** AM
- **Included Components:** Antenna, Owner's Manual, Screw Package, Sound Cable
- **Frequency:** 21 MHz
- **Compatible Devices:** Computer, MP3 Player, Smartphone
- **Manufacturer:** CUIFATI

## Images

![Short Low Power AM Radio Transmitter Board, Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast with 21MHZ Crystal Frequency Stabilization - Image 1](https://m.media-amazon.com/images/I/71i+nZGcLWL.jpg)

## Frequently Bought Together

- Short Low Power AM Radio Transmitter Board, Sound Amplification SW Radio Amplifier Kit for DIY Campus Broadcast with 21MHZ Crystal Frequency Stabilization
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**Shop now:** [https://www.desertcart.kg/products/587367298-short-low-power-am-radio-transmitter-board-sound-amplification-sw](https://www.desertcart.kg/products/587367298-short-low-power-am-radio-transmitter-board-sound-amplification-sw)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-05-31*