No fan and no antenna connector (photo from transmitter)
Product is listed here:
https://www.pcs-electronics.com/shop/de ... processor/
This processor uses SE5000 DSP+ stereo encoder.
Manual for the stereo encoder:
http://www.pcs-electronics.com/phpBB2/v ... php?t=2171
Manual and software for the RDS encoder, use latest RDSMAX5000!
http://www.pcs-electronics.com/phpBB2/v ... php?t=2018
NOTE: Set baud rate to 9600!