eBay

Description

Assembled Micro-Power Medium Wave Transmitter Board DC 9V 530-1600KHZ For Home Testing Crystal Radio

Electrical Parameters:
Power Supply: 9V 2A DC, 5.5 interface, internal positive and external negative (power supply is not included)
Transmitting Frequency: 530 ~ 1600KHZ (radio medium wave band)
High-Frequency Transmission Power: adjustable from 20 mW to 500 mW within 5 to 10 meters
Antenna: 5M 1.5 ~ 2.5 copper wire for home uses
Audio Input: 3.5mm at both ends
Audio Source: CD, desktop computer, mobile phone, etc.
Application: medium wave radio enthusiasts, for students to study the wireless signal generation and audio modulation principles of amplitude modulation transmitter.

Features:
-The audio amplifier circuit outputs enough audio power to the modulation circuit.
-This board adopts collector modulation, featuring low distortion, adjustable amplitude, and superior sound quality, suitable for radio enthusiasts and students' experiment.
-Adjust the capacitance of 223 console, the frequency can be changed from 530 to 1600KHz.
-Using and experimenting radio transmitters should be subject to local radio regulations. Please adjust amplitude knob to minimize power.

1: Power Supply (9V internal positive & external negative)
2: Audio Input
3: Volume Adjustment
4: Adjust Frequency
5: Adjust Modulation Frequency
6: Antenna Terminal (5M cable for home radio)

Package Included:
1 x Assembled Transmitter Board

Note:
The transmitter board is assembled.

Payment Terms

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2.All major credit cards are accepted through secure payment processor PayPal.
3.Payment must be received within 7 business days of auction closing.
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Shipping Terms

- For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding.

Return Terms

1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund.
2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA.
3. We reserve the right to refuse any returns for objective reasons.

Custom Duties & Taxes

1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility.
2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping.

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On Jul-05-21 at 00:28:33 PDT, seller added the following information: