This item is for:

1x Original Yaesu SPU-1 ASP Audio Signal Processing Chip Unit Module, Brand New! 

Made in Japan!

ASP function, activated after installing SPU-1, can digitally process the received audio signal to remove noise, the received sound is enhanced, producing clear and comfortable sound quality.

ASP (Audio Signal Processor) Function:
    The ASP unit digitally processes the received signal in the AF band, separating and removing noise components to make the voice portion stand out, enabling playback with clearer, more intelligible sound quality.
    The ASP unit's noise cancellation effect allows clear reception of even faint signals previously buried in noise and difficult to hear, expanding the communication range.

Compatible Radio Model: 

YAESU FTM-150R, FTM-510DR, FTM-310DR

Package include:

1 x Yaesu SPU-1 Signal Processing Unit
2 x screw