Micro-Power Medium Wave Transmitter for Testing Crystal Radio Domestic Use

Description

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Description
Note: The color of the PCB may vary because of different production lot.
Features:
Audio amplifier circuit outputs sufficient audio power to modulation circuit.
With collector modulation, this board features small distortion, adjustable amplitude, and excellent sound quality. It is suitable for radio enthusiasts and students' experiment.
Adjust 223 tuning capacitor to change frequency in the range of 530 ~ 1600KHz.
Use and experimental radio transmitters are subject to local radio regulations. Please adjust amplitude knob to minimize power.
Electrical Parameters:
- Power Supply: 9V2A DC, 5.5 interface, internal positive and external negative (power supply is not included)
- Transmitting Frequency: 530 ~ 1600KHZ (radio medium-wave band)
- High-Frequency Transmitting Power: About 500 mW for uses 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 principle of wireless signal generation and modulation
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:
1x Medium Wave Transmitter Board
Note:
Please allow 1-3cm difference due to manual measurement.
Due to light and screen difference, the item's color may be slightly different from the pictures.
!! Sorry to Tell you that We Cannot ship to Puerto Rico !!
Payment
1.We accept PayPal only.
2.All major credit cards are accepted through secure payment processor PayPal.
3.Payment must be received within 7 business days of auction closing.
Shipping
1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
2.Items will be shipped within 1-10 business days when we received payment.
3.Delivery time depends on destination and other factors;
4.International buyers please note:
a.Import duties, taxes and charges are not included in the item price or shipping charges. These charges are buyer’s responsibility. We will try our best to reduce the risk of the custom duties.
b.Please check with your country's customs office to determine what these additional costs will be prior to buying.