| Brand | Unbranded |
|---|---|
| Type | Medium Wave Transmitter Board |
| Country of Origin | China |
Check the listing for details. Micro-Power Medium Wave Transmitter Board DC9V 530-1600KHZ For Crystal Radio. Condition: New, Made in China. Listed at 23.19 USD. Adjust the capacitance of 223 console, the frequency can be changed from 530 to 1600KHz. -The audio amplifier circuit outputs enough audio power to the modulation circuit. 1 x Assembled Transmitter Board.