A packages of 10 pcb's to builds a pre-amp designed by VE6WZ around the 2N5109 transistor.
World wide shipping from China via Fedex is included. (+/- 7 days round trip)
More info via https://www.pi4cc.nl/tech-info/rx-array/
2N5109 Pre-amp for 9 circle RX array - YouTube
Parts can be orderd at Mouser. We don't sell complete kits!