Brand Unbranded
UPC 7451584446853

Check the listing for details. AM Radio Transmitter Board Short Wave Low Power Sound Amplification SW Radio NEW. Condition: New. Listed at 32.52 USD. High Frequency Oscillation: 21MHZ high frequency oscillation, crystal Y1 in the circuit is a parallel resonance, equivalent to the inductor. Structure: Mainly consists of power input, sound amplification, sound modulation, 21MHZ high frequency oscillation, Class C high frequency amplification, 21MHZ low pass filter.

$19.51
$32.52