Internal 433 Antenna PCB DB-A0117-433M with IPEX connector
433MHz Antenna Length Dipole Receiver Antenna
Help with designing PCB with 433MHz helical wire antenna | Electronics Forum (Circuits, Projects and Microcontrollers)
QFDM Spring 10pcs Gomito Antenna a Molla a Spirale a Spirale a Spirale Antenna 433 Antenna per la Scheda Madre Easy to Install (Length : FWTXTH 07) : Amazon.it: Fai da te